Rechargeable Ophthalmoscope

Working Distance: 0.67m
Streak: 3mm-20mm
Illumination Source: 3.5V/2.8W halogen bulb
Streak Rotation: 360°
Input Voltage: AC220V22V/50Hz1Hz,AC110V11V/60Hz1Hz
Power(Main Body of Ophthalmoscope): Li+ battery pack DC:3.7V