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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\u003eRetinoscope\/Ophthalmoscope Zipper Case model INS-11091-14-O\u003cbr\u003e\u003cbr\u003eRetino\/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 | 3.5 V Streak Retinoscope LED Bulbs R4180 Opti+","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e3.5 V Streak Retinoscope LED Bulbs R4180 model INS-11091-13-C\u003cbr\u003e\u003cbr\u003eThis 3.5V LED bulb is for Opti+ Streak Retinoscope model R4180\u003c\/p\u003e\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 | 3.5 V Streak Retinoscope Halogen Bulbs R4180 Opti+","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e3.5V Streak Retinoscope Halogen Bulbs R4180 model INS-11091-12-C\u003cbr\u003e\u003cbr\u003eThis 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\u003cp\u003e3.5V Ophthalmoscope Led Bulbs P4900 model INS-11091-11-C\u003cbr\u003e\u003cbr\u003eThis 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\u003cp\u003e3.5V Ophthalmoscope Halogen Bulbs P4900 modelo INS-11091-10-C\u003cbr\u003e\u003cbr\u003eThis 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\u003cp\u003e\u003cbr\u003eThe 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\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e3.5V Streak Retinoscope Halogen or LED OPTI+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Optical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Rotation = 190° \u003c\/span\u003e\u003c\/p\u003e\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\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\u003cp\u003e\u003cspan\u003eLength of streak image = 30 mm \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWidth of streak image = 1.5 mm \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDeviation from linearity of the streak image at the focus. = 2 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Rotation decentring of centre of streak image. = 10 mm \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Bulb 3.5 V 2.7 W \u003c\/span\u003e\u003c\/p\u003e\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\u003cp\u003e\u003cspan\u003eEnvironment Requirements:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOperation Environment Temperature +10 C - +35 C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 30% - 75% \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAtmospheric Pressure 700 hPa - 1060 hPa \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShipping: Common Conveyance Storage Environment Temperature -40 C - +55 C\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Relative Humidity 10% - 90% \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAtmospheric Pressure 500 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e _________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Pro 3.5V Ophtalmoscope Halogen or LED OPTI+ \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOptical Specification:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Diopter: \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\u003cp\u003e\u003cspan\u003eAperture: \u003c\/span\u003e\u003cspan\u003e Large aperture, Small aperture, Micro aperture, Slit aperture, Cobalt blue aperture, Fixation aperture. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFilter: Red free filter \/ Polarizing filter \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBulb 3.5 V 2.7 W \u003c\/span\u003e\u003c\/p\u003e\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\u003cp\u003e\u003cspan\u003eEnvironment requirements:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Operation Environment Temperature +10 C…+35 C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 30%…75% \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAtmospheric Pressure 700 hPa…1060 hPa \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShipping: Common Conveyance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Storage:  Environment Temperature -40 C…+55 C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 10%…90%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Atmospheric Pressure 500 hPa…1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e _________________________________________________ \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3.5V Handle Li-Ion Battery OPTI+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical Specifications: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCharge Time = 3 hours\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Discharge Time = 3 hours \u003c\/span\u003e\u003c\/p\u003e\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\u003cp\u003e\u003cspan\u003eElectrical Safety Complying with EN60601-1 EN60601-1-2 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProtection: Internal electrical power source \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEnvironment requirements:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Operation Environment Temperature +10 C - +35 C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 30% - 75%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Atmospheric Pressure 700 hPa - 1060 hPa \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShipping: Common Conveyance \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStorage: Environment Temperature -40 C - +55 C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 10% - 90% \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAtmospheric Pressure 500 hPa - 1060 hPa\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e _________________________________________________ \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3.5V Handle Charger OPTI+ \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical Specifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Input voltage 5 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Input power 2A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Li-ion battery specifications 3.7 V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Charging port 1 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaximum charge time = 3.5 h \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower adapter specifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Input 100 VAC - 240 VAC 50 Hz \/ 60 Hz = 14 VA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Output 9 VDC - 12 VDC 800 mA -1250 mA \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical Safety: Complying with EN60601-1, EN60601-1-2 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProtection : Class II \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEnvironment requirements:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Operation: Environment Temperature +10 C - +35 C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 30% - 75%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Atmospheric Pressure 700 hPa - 1060 hPa \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShipping Common Conveyance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Storage: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Environment Temperature -40 C - +55 C\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRelative Humidity 10% - 90% \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAtmospheric Pressure 500 hPa - 1060 hPa \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDimensions: 9 1\/2x5 1\/2x2in\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Weight: 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 | Ophtalmoscope Head YZ11D","description":"\u003ch4\u003e\u003cspan\u003eOphtalmoscope Head YZ11D model INS-11021 \u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe portable product has excellent optical performance by improved optical design. \u003c\/span\u003e\u003c\/p\u003e\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\u003cp\u003e\u003cspan\u003eIllumination: 3.5V, 2.8W mini halogen bulb \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower: Charger: AC110V～240V，50Hz\/60Hz \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOphthalmoscope: Li+ battery module DC:3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Input Power: 20 VA \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLi+ battery spec: CGR18650 Fuse \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpec: T 500mAL 250V \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOperating Mode: Continuous\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Product safety class: II class, inside power, IPXO, No AP or APG device\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Viewing Lenses: 0、±1、±2、±3、±4、±5、±6、±8、±10、+12、 ±15、±20、-25、-35D\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIllumination form: Large Spot, Small Spot, Slit, Central net and Red-free \u003c\/span\u003e\u003c\/p\u003e\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\u003cp\u003e\u003cspan\u003eWeight: 3.30 oz \/ 93 g\u003c\/span\u003e\u003c\/p\u003e\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\u003c\/h4\u003e\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\u003cp\u003e\u003cspan\u003eBulb：3.5V\/2.5W Halogen Bulb \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower：Charger：AC100－240V，50－60Hz \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRetinoscope：DC3.6V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Input Power：10VA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Li+ Battery：CGR18650C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFuse：51S-0500H \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCharger：AC100－240V，50－60Hz \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDimensions: 11 x 8 x 4 in \/ 27 x 20 x 10 cm \u003c\/span\u003e\u003c\/p\u003e\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\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e YZ24 Streak Retinoscope is a medical instrument for determining refractive errors and axis of astigmatism.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Bulb：3.5V\/2.5W Halogen Bulb \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower：Charger：AC100－240V，50－60Hz \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRetinoscope：DC3.6V \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInput Power：10VA \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLi+ Battery：CGR18650C \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFuse：51S-0500H \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCharger：AC100－240V，50－60Hz \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ophthalmoscope is a medical instrument used in the examination of the eye fundus.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Illumination: 3.5V, 2.8W mini halogen bulb \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower: Charger: AC110V～240V，50Hz\/60Hz \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOphthalmoscope: Li+ battery module DC:3.7V \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInput Power: 20 VA \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLi+ battery spec: CGR18650 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFuse spec: T 500mAL 250V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Operating mode: Continuous\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Product safety class: II class, inside power, IPXO, No AP or APG device \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eViewing Lenses: 0、±1、±2、±3、±4、±5、±6、±8、±10、+12、 ±15、±20、-25、-35D \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDimensions: 11 x 8 x 4 in \/ 27 x 20 x 10 cm \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeight: 6 lb \/ 3 kg\u003c\/span\u003e\u003c\/p\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":47022948024566,"sku":"INS-11019","price":557.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/product_INS-11019-1.jpg?v=1721348144"}],"url":"https:\/\/bkframes.com\/collections\/opti-retinoscopios-oftalmoscopios.oembed?page=2","provider":"BK FRAMES, CORP.","version":"1.0","type":"link"}