1. Power supply: 3 AAA batteries (not included)/USB direct plug
2. Material: acrylic optical lens, ABS
3. Light source: 8 LED lights, two levels of brightness
4. Magnification: 3.5x/10x
5. Focal length: 142mm 45mm
6. Lens diameter: about 90mm/20mm
7. Size: about 21 x 11cm
8. Net weight: about 173g
Packing list:
- Magnifying glass x 1
- Instruction manual x 1
- Dust cover x 1
- Cleaning cloth x 1
- USB cable x 1