Product description:
Pro 3.5V Ophtalmoscope LED OPTI+<br /><br />Optical Specification<br /><br />Diopter<br />0D, ±1D, ±2D, ±3D, ±4D, ±5D,<br />±6D,±7D, ±8D, ±9D, ±10D, +12D,<br />±15D, ±20D,-25D,+40D<br /><br />Aperture<br />Large aperture,<br />small aperture,<br />Micro aperture,<br />Slit aperture,<br />Cobalt blue aperture,<br />Fixation aperture.<br /><br />Filter <br />Red free filter / Polarizing filter<br /><br />Bulb <br />3.5 V 2.7 W<br /><br />Operation mode<br />Intermittent, On-time should not exceed 2 mins with Off-time not less than 5 mins<br /><br /><br />Environment requirements<br /><br />Operation<br />Environment Temperature +10 C…+35 C<br />Relative Humidity 30%…75%<br />Atmospheric Pressure 700 hPa…1060 hPa<br /><br />Shipping <br />Common Conveyance<br /><br />Storage<br />Environment Temperature -40 C…+55 C<br />Relative Humidity 10%…90%<br />Atmospheric Pressure 500 hPa…1060 hPa