Specification:

1. Laser wavelength: 532nm
2. Output power: 5mW
3. Double switch: constant on / off switch and rear line switch
4. Wind and elevation adjustment
5. Power: 1x3V, CR2 lithium battery. (not included)
6. Tube size: 20 (Dia) mm x 105 (L) mm
7. Rail bracket size: 11-12mm and 17-18mm, double rail bracket.
8.Material: aluminum alloy
9.Color: matte black
10. Unit weight: 90g

Packing list:
1 green laser sight
1 rear line switch
3x Allen key
1 double rail bracket
1x double tube holder
1 User Manual.