Description Features: 3w, 750 lumen LED clear light 532mm (green laser) or 640mm (red laser) wavelength High-powered 5mw green or red laser with windage and elevation adjustments Recoil-proof positive licking battery compartment Selector switch for light only/laser only/light laser combo/off Additional fingertip off/on button Two pressure cords for use with most pistols or rifles Steel quick-detach mounting system with locking recoil key Uses 2-CR123A batteries