Characteristics:

The first-invented rechargeable streak retinoscope in china This rechargeable Type
only produced in our Company in China.
The well postioned glower can be rotated 360 degrees upward and downward, The
brightnes can be adjusted.
Full charged can be continuously used for at least 2 hours.
Specifications
Working distance: 1m
Adjustable range of streak: 3mm-20mm
Streak Rotation: 360 degrees
Illumination source: 3V/2.1W halogen bulb
Power: AC 220V/50Hz 110V/60Hz
Battery of charger: A lithium battery