1. Lens Size: 3.5 inch (90mm)
2. Lens Material: glass (normal lens and optical lens optional)
3. Magnifying Power: 3 diopter, 5 diopter available
4. Auxiliary magnifying power:12 diopter
5. Light Source: circular T4 11W fluorescent energy-saving bulb
6. Power Supply: 110-120V/220-240V/100V
7. Power Cord Length: 5 (1.5m)
8. High quality electronic ballast
9. Colors Available: white, black, silver, etc.
10. Electrostatic discharge safety available