{"title":"OPTI+ | Retinoscopes \u0026amp; Ophthalmoscopes","description":"","products":[{"product_id":"ins-11091-9-o","title":"INS-11091-9-O | 3.5V Handle Charger","description":"\u003cp\u003e ¬†\u003c\/p\u003e\n\n\u003cp\u003e 3.5V Handle Charger model INS-11091-9-O\u003cbr\u003e\u003cbr\u003e 3.5V Handle Charger Colored LED's indicate power to the unit, and that the handles are seated in wells and charging.\u003cbr\u003e Advanced circuitry for constant automatic safe charging and optimum lamp performance and life. \u003cbr\u003eCompact for convenience and mobility.\u003cbr\u003e\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022917222646,"sku":"INS-11091-9-O","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-9-O-1.jpg?v=1721347812"},{"product_id":"ins-11091-8-o","title":"INS-11091-8-O | 3.5V Handle Li-Ion Battery with USB","description":"\u003ch2\u003e 3.5V Handle Li-Ion Battery with USB model INS-11091-8-O\u003c\/h2\u003e\n\n\u003ch4\u003e Lithium Ion technology to provide twice the on-time with just half the weight.\u003cbr\u003e\u003cbr\u003e The Lithium Ion Power Handle‚Äôs new Lithium Ion technology powers any of instrument heads for 120 minutes twice as long as the conventional handle.\u003cbr\u003e\u003cbr\u003e With an updated, ergonomic design and weighing, the handle is more comfortable for any size hand. An indicator light warns you when the battery is running low, and your choice of charging modules makes recharging simple and convenient.\u003cbr\u003e\u003cbr\u003e The Lithium Ion Power Handle will provide years of reliable quality.\u003cbr\u003e\n\n\u003c\/h4\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022917353718,"sku":"INS-11091-8-O","price":221.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-8-O-1.jpg?v=1721347814"},{"product_id":"3-5v-handle-li-ion-battery","title":"NS-11091-7-O | OPTI+ 3.5V Handle Li-Ion Battery","description":"\u003ch2\u003e ÔªøOPTI+¬†3.5V Handle Li-Ion Battery model\u003c\/h2\u003e\n\n \u003ch4\u003eThe Lithium Ion Power Handle‚Äôs new Lithium Ion technology powers any of Welch Allyn's 3.5 V instrument heads for 120 minutes twice as long as the conventional handle.\u003c\/h4\u003e\n\n\u003ch4\u003e With an updated, ergonomic design and weighing only 4.4 ounces, the handle is more comfortable for any size hand.\u003c\/h4\u003e\n\n\u003cp\u003e ¬†\u003c\/p\u003e\n\n\u003cblockquote\u003e\n\n\u003cp\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eElectrical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e Charge Time\u003cbr\u003e = 3 hours\u003cbr\u003e\u003cbr\u003e Discharge Time\u003cbr\u003e = 3 hours\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eOperation mode\u003c\/strong\u003e\u003cbr\u003e Intermittent, on-time should not exceed 2 mins with off-time not less than 5 mins\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eElectrical Safety\u003c\/strong\u003e\u003cbr\u003e Complying with EN60601-1\u003cbr\u003e EN60601-1-2\u003cbr\u003e Protection: Internal electrical power source\u003cbr\u003e\u003cbr\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eEnvironmental requirements\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eOperation\u003c\/strong\u003e\u003cbr\u003e Environment Temperature +10 C - 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Plus: red-free filter, polarizing filter, and unfiltered Halogen HPX on a 3-position switch--each position can be engaged with each of the 6 positions of the aperture dial.\u003cbr\u003e\u003cbr\u003e Sealed optics keep out dust and dirt for years of maintenance-free operation.\u003cbr\u003e \u003cbr\u003eRubber brow rest prevents scratching of eyeglasses.\u003cbr\u003e\u003cbr\u003e 28 focusing lenses with a range of -25 to +40 diopters.\u003cbr\u003e\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022918598902,"sku":"INS-11091-5-O","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-5-O-1.jpg?v=1721347827"},{"product_id":"3-5v-streak-retinoscope-led","title":"INS-11091-4-O | 3.5V Streak Retinoscope LED OPTI+","description":"\u003ch2\u003e 3.5V Streak Retinoscope LED model INS-11091-4-O\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Makes refractions easier than ever by producing one of the brightest, sharpest, and cleanest streaks available.\u003c\/li\u003e\n\n\u003cli\u003e Provides 2.8X LED\u003c\/li\u003e\n\n\u003cli\u003e Superior streak quality enables easier and quicker refractions ‚Äì even in patients with small pupils\u003c\/li\u003e\n\n\u003cli\u003e Crossed linear polarizing filter eliminates bothersome glare from trial lenses, helping you perform a more precise exam\u003c\/li\u003e\n\n\u003cli\u003e External focusing sleeve improves comfort and maneuverability\u003c\/li\u003e\n\n\u003cli\u003e Sealed optics keep the lenses cleaner for more effective exams\u003c\/li\u003e\n\n\u003cli\u003e Fits all Welch Allyn 3.5V power sources\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cblockquote\u003e\n\n\u003cp\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOptical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e Rotation\u003cbr\u003e = 190¬∞\u003cbr\u003e\u003cbr\u003e Distance from the device to which the real image of the lamp filament is adjustable\u003cbr\u003e = 450 mm\u003cbr\u003e\u003cbr\u003e Distance from the device to which the virtual image of the lamp filament is adjustable\u003cbr\u003e = 450 mm\u003cbr\u003e \u003cbr\u003eLength of streak imageb\u003cbr\u003e = 30 mm\u003cbr\u003e\u003cbr\u003e Width of streak imageb\u003cbr\u003e = 1.5 mm\u003cbr\u003e\u003cbr\u003e Deviation from linearity of the streak image at the focusb.\u003cbr\u003e = 2 mm\u003cbr\u003e\u003cbr\u003e Rotation decentring of center of streak imageb.\u003cbr\u003e = 10 mm\u003cbr\u003e\u003cbr\u003e a All distances are measured from the light exit of the device\u003cbr\u003e b When focus at 500 mm\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eElectrical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Bulb\u003cbr\u003e 3.5V 2.7W\u003cbr\u003e\u003cbr\u003e Operation mode\u003cbr\u003e Intermittent, on-time should not exceed 2 min with off-time not less than 5 min\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eEnvironment Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e Operation\u003cbr\u003e Environment Temperature\u003cbr\u003e +10 C - 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It has a fiber-optic light transmission for cool distal light and is fully sterilizable with steam, water, gas, and solutions.\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022919483638,"sku":"INS-11091-2-O","price":101.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-2-O-1.jpg?v=1721347836"},{"product_id":"ins-11091-14-o","title":"INS-11091-14-O | Retinoscope\/Ophthalmoscope Case","description":"\u003cp\u003e Retinoscope\/Ophthalmoscope Zipper Case model INS-11091-14-O\u003cbr\u003e\u003cbr\u003e Retino\/Ophtalmoscope hard case, easy transportation and to help protect instruments.\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022919680246,"sku":"INS-11091-14-O","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-14-O-1.jpg?v=1721347838"},{"product_id":"ins-11091-13-c","title":"INS-11091-13-C | 3.5V Streak Retinoscope LED Bulbs R4180 Opti+","description":"\u003cp\u003e ¬†\u003c\/p\u003e\n\n\u003cp\u003e 3.5V Streak Retinoscope LED Bulbs R4180 model INS-11091-13-C\u003cbr\u003e\u003cbr\u003e This 3.5V LED bulb is for Opti+ Streak Retinoscope model R4180\u003c\/p\u003e\n\n\u003cp\u003e ¬†\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022920302838,"sku":"INS-11091-13-C","price":104.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-13-C-1.jpg?v=1721347841"},{"product_id":"ins-11091-12-c","title":"INS-11091-12-C | 3.5V Streak Retinoscope Halogen Bulbs R4180 Opti+","description":"\u003cp\u003e ¬†\u003c\/p\u003e\n\n\u003cp\u003e 3.5V Streak Retinoscope Halogen Bulbs R4180 model INS-11091-12-C\u003cbr\u003e\u003cbr\u003e This 3.5V LED bulb is for Opti+ Streak Retinoscope model R4180\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022920499446,"sku":"INS-11091-12-C","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-12-C-1.jpg?v=1721347845"},{"product_id":"ins-11091-11-c","title":"INS-11091-11-C | 3.5V Ophthalmoscope Led Bulbs P4900 Opti+","description":"\u003cp\u003e ¬†\u003c\/p\u003e\n\n\u003cp\u003e 3.5V Ophthalmoscope Led Bulbs P4900 model INS-11091-11-C\u003cbr\u003e\u003cbr\u003e This 3.5V LED bulb is for Opti+ Ophthalmoscope for model P4900\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022920728822,"sku":"INS-11091-11-C","price":56.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-11-C-1.jpg?v=1721347847"},{"product_id":"ins-11091-10-c","title":"INS-11091-10-C | 3.5V Ophthalmoscope Halogen Bulbs P4900 Opti+","description":"\u003cp\u003e ¬†\u003c\/p\u003e\n\n\u003cp\u003e 3.5V Ophthalmoscope Halogen Bulbs P4900 model INS-11091-10-C\u003cbr\u003e\u003cbr\u003e This 3.5V halogen bulb is for Opti+ Ophthalmoscope model P4900\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022921187574,"sku":"INS-11091-10-C","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-10-C-1.jpg?v=1721347850"},{"product_id":"ins-11091-1-o","title":"INS-11091-1-O | Transilluminator Halogen Accessory","description":"\u003cp\u003e ¬†Transilluminator Halogen Accessory model INS-11091-1-O\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e The transilluminator uses a Halogen Lamp to provide 30% more light output for true tissue color and consistent, long-lasting illumination. It has a fiber-optic light transmission for cool distal light and is fully sterilizable with steam, water, gas, and solutions.\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022921449718,"sku":"INS-11091-1-O","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-1-O-1.jpg?v=1721347852"},{"product_id":"ins-11091","title":"INS-11091 | Retinoscope\/Ophthalmoscope Complete Kit","description":"\u003ch4\u003e \u003cspan\u003eRetinoscope\/Ophthalmoscope Eco Complete Kit Opti+ Model INS-11091\u003c\/span\u003e\n\u003c\/h4\u003e\n\n\u003cp\u003e \u003cspan\u003e3.5V Streak Retinoscope Halogen or LED OPTI+\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOptical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRotation = 190¬∞\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan\u003eDistance from the device to which the real image of the lamp filament is adjustable = 450 mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eDistance from the device to which the virtual image of the lamp filament is adjustable = 450 mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eLength of streak image = 30 mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eWidth of streak image = 1.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eDeviation from linearity of the streak image at the focus. = 2mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRotation decentring of center of streak image. = 10mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eElectrical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eBulb 3.5 V 2.7 W\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation mode:\u003c\/span\u003e \u003cspan\u003e¬†Intermittent, on-time should not exceed 2 min with off-time not less than 5 min\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eEnvironment Requirements:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation Environment Temperature +10 C - +35 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 30% - 75%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 700 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eShipping: Common Conveyance Storage Environment Temperature -40 C - +55 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 10% - 90%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 500 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan\u003e_________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003ePro 3.5V Ophtalmoscope Halogen or LED OPTI+\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOptical Specification:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eDiopter:¬†\u003c\/span\u003e \u003cspan\u003e0D, ¬±1D, ¬±2D, ¬±3D, ¬±4D, ¬±5D, ¬±6D,¬±7D, ¬±8D, ¬±9D, ¬±10D, +12D, ¬ ±15D, ¬±20D,-25D,+40D\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAperture:¬†\u003c\/span\u003e \u003cspan\u003eLarge aperture, Small aperture, Micro aperture, Slit aperture, Cobalt blue aperture, Fixation aperture.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eFilter: Red free filter \/ Polarizing filter\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eBulb 3.5 V 2.7 W\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation mode: Intermittent, On-time should not exceed 2 mins with Off-time not less than 5 mins\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eEnvironment requirements:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation Environment Temperature +10 C‚Ķ+35 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 30%‚Ķ75%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 700 hPa‚Ķ1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eShipping: Common Conveyance\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eStorage:¬† Environment Temperature -40 C‚Ķ+55 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 10%‚Ķ90%\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan\u003eAtmospheric Pressure 500 hPa‚Ķ1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003e_________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003e3.5V Handle Li-Ion Battery OPTI+\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eElectrical Specifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eCharge Time = 3 hours\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eDischarge Time = 3 hours\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation mode: Intermittent, on-time should not exceed 2 mins with off-time not less than 5 mins\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eElectrical Safety Complying with EN60601-1 EN60601-1-2\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eProtection: Internal electrical power source\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eEnvironment requirements:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation Environment Temperature +10 C - +35 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 30% - 75%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 700 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eShipping: Common Conveyance\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eStorage: Environment Temperature -40 C - +55 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 10% - 90%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 500 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003e_________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003e3.5V Handle Charger OPTI+\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan\u003eElectrical Specifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eInput voltage 5 VDC\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eInput power 2A\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eLi-ion battery specifications 3.7 V\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eCharging port 1\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eMaximum charge time = 3.5 h\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003ePower adapter specifications:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eInput 100 VAC - 240 VAC 50 Hz \/ 60 Hz = 14 VA\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOutput 9 VDC - 12 VDC 800 mA -1250 mA\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eElectrical Safety: Complying with EN60601-1, EN60601-1-2\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eProtection: Class II\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eEnvironment requirements:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperation: Environment Temperature +10 C - +35 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 30% - 75%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 700 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eShipping Common Conveyance\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eStorage:¬†\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eEnvironment Temperature -40 C - +55 C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRelative Humidity 10% - 90%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eAtmospheric Pressure 500 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eDimensions: 9 1\/2x5 1\/2x2in\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eWeight: 1.80lb\u003c\/span\u003e\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022921548022,"sku":"INS-11091","price":786.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11091-1.jpg?v=1721347854"},{"product_id":"ins-11021","title":"INS-11021 | Ophthalmoscope Head YZ11D","description":"\u003ch4\u003e \u003cspan\u003eOphthalmoscope Head YZ11D model INS-11021\u003c\/span\u003e\n\u003c\/h4\u003e\n\n\u003cp\u003e \u003cspan\u003eThe portable product has excellent optical performance by improved optical design.\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan\u003eWith improved optical design and excellent optical performance. Quality halogen bulb provides high and adjustable brightness and good color rendering. Smart, portable and convenient for mobile inspection. Equipped with special charger, quick and convenient recharging, against over recharging. Anti-recharging and anti-discharging function protects the battery.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eIllumination: 3.5V, 2.8W mini halogen bulb\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003ePower: Charger: AC110VÔΩû240VÔºå50Hz\/60Hz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOphthalmoscope: Li+ battery module DC:3.7V\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eInput Power: 20 VA\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eLi+ battery spec: CGR18650 Fuse\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eSpec: T 500mAL 250V\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eOperating Mode: Continuous\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eProduct safety class: II class, inside power, IPXO, No AP or APG device\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eViewing Lenses: 0„ÄŬ±1„ÄŬ±2„ÄŬ±3„ÄŬ±4„ÄŬ±5„ÄŬ±6„ÄŬ±8„ÄŬ±10„ÄÅ+12„ÄÅ ¬±15„ÄŬ±20„ÄÅ-25„ÄÅ-35D\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan\u003eIllumination form: Large Spot, Small Spot, Slit, Central net and Red-free\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eFilter Dimensions: 3 x 1 x 1 in \/ 7 x 2 x 2 cm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eWeight: 3.30 oz \/ 93 g\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e ¬†\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022947008758,"sku":"INS-11021","price":143.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11021-1.jpg?v=1721348133"},{"product_id":"ins-11020","title":"INS-11020 | Retinoscope with charger base YZ24B","description":"\u003ch4\u003e \u003cspan\u003eRetinoscope with charger base YZ24B model INS-11019\u003c\/span\u003e\n\u003c\/h4\u003e\n\n\u003cp\u003e \u003cspan\u003eYZ24 Streak Retinoscope is a medical instrument for determining refractive errors and axis of astigmatism.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eBulbÔºö3.5V\/2.5W Halogen Bulb\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003ePowerÔºöChargerÔºöAC100Ôºç240VÔºå50Ôºç60Hz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eRetinoscopeÔºöDC3.6V\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eInput PowerÔºö10VA\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eLi+ BatteryÔºöCGR18650C\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eFuseÔºö51S-0500H\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eChargerÔºöAC100Ôºç240VÔºå50Ôºç60Hz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eDimensions: 11 x 8 x 4 in \/ 27 x 20 x 10 cm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eWeight: 6 lb \/ 3 kg\u003c\/span\u003e\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022947500278,"sku":"INS-11020","price":257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11020-1.jpg?v=1721348138"},{"product_id":"ins-11019","title":"INS-11019 | Retinoscope\/Ophtalmoscope set with charger base YZ24B","description":"\u003ch4\u003e \u003cspan\u003eRetinoscope\/Ophtalmoscope set with charger base YZ24B model INS-11019\u003c\/span\u003e\n\u003c\/h4\u003e\n\n \u003cp\u003e\u003cspan\u003eYZ24 Streak Retinoscope is a medical instrument for determining refractive errors and axis of astigmatism.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eBulbÔºö3.5V\/2.5W Halogen Bulb\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003ePowerÔºöChargerÔºöAC100Ôºç240VÔºå50Ôºç60Hz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e 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