Product description:
Ophtalmoscope Mini YZ11 INS-11022 <br />Dimensions: 10 x 2 x 2 in / 25 x 5 x 5 cm <br />Weight: 7.70 oz / 218 kg <br /><br />Features:<br /><br />1. The observed images are clear and upward on the fundus.<br />2. Battery power, convenient for mobile diagnosis.<br /><br />Specifications:<br /><br />Illumination form big spot, middle spot, small spot, redfree<br /><br />Diameter of filter<br />0.2~0.4mm<br /><br />Illumination brightness<br />=80IX<br /><br />Dioptor compensation<br />-35D~+20D, 24 in total<br /><br />Illumination source<br />2.6V/0.78W, Incandescent Bulb<br /><br />Battery<br />2# Alkalescent Battery/2# Rechargeable Battery