Features:

1. adjust the angle of the light box upward or downward freely
2. you can also push the pivot left and right to adjust the LED light source
3. with detachable light source box and two "AAA" batteries

Specifications:

1. dioptre: 1.5 - 3 - 8.5 - 10
2. multiplying power of lens: 1.375x - 1.75x - 3.125x - 3.5x
3. material of lens: acrylic resin (protected by crack-proof rigid coating)
4. size of lens : 89mm x 29mm (3.5"x 1.14")
5. single lens diameter: 29mm (1.14")
6. power supply: 2 x "AAA" batteries (LR03, not incl.)
7. weight: 148g (5.2oz)