Condition: 100% Brand New <br>Item Type: Ophthalmoscope <br>Material: ABS <br>Diopter Range: -20d ~+20D <br>Show: 90% or higher <br>Battery: 2pcs AA batteries (Not included) <br>Principle of coaxial parallel light <br>Optical glass lens, five different spot diopter range: -20d ~+20D <br>LCD screen, handle brightness adjustable reducibility, indicating ≥90% <br>Stable light effect, low power consumption LED light with constant current and voltage regulation built into the handle, with a service life of up to 20,000 hours<br>1、The electronic display of the handle shows the battery power and the strength of the light source. <br>2、Toggle the rebound switch, toggle upward, the light source becomes brighter and brighter; As you scroll down, the light decreases in brightness until the power is turned off. <br>3、Suitable for eye examination, principle of coaxial parallel light, optical glass lens, five different light spots. <br>4、Diopter range: ?20d ~+20D; Strong reducibility, indicating ≥90%. Stable optical effect, constant current voltage IC built in handle. <br>5、Low power LED light, service life up to 20,000 hours, long service time.<div>1 x Ophthalmoscope Handle&nbsp;</div><div>1 x Ophthalmoscope Lens&nbsp;</div><div>1 x Manual&nbsp;</div>