Special equipment for measuring refraction deflection and astigmatism axis
It’s beautifully constructed, gives an intensive illumination, and is convenient to operate
The well positioned glower can be rotated 360°and upward and downward moved.
The brightness can be continuously adjusted
Fully charged can be continuously used for at least 2 hours.
Battery with voltage protection device to extend the life of the rechargeable battery
Adjustable range of streak
3V/2.1W halogen bulb
Stable power supply
Convenient quick recharging