Features:
1. A scale with a pen length of 50 mm can be used for daily measurement, fast and convenient.
2. Adopt high quality led pen crystal with advanced circuit board control, bright light, outstanding light concentration, energy saving, environmental protection and durable.
3. The clip design can be attached to any place, such as pockets, for easy carrying.
4. One button control, easy operation. Can also be a flashlight in emergency situation.
5. Professional for diagnostic supply, can be used as ear light, pupil light, oral light, etc.