1. Laser sight and 300 lumens white light combo. Light with stable laser function.2. Fit rail equipped pistols, long guns and rifle3. Excellent performance for low temperature.5. Windage and Elevation adjustments.6. Shock, impact and gun recoil resistant design.7. Dust proof and water resistant.8. Constructed from aluminum alloy 6061-T69. Easy operation and installation.10.Mode selector set various operation mode such as LED on only, laser sight only and led on the same time ,laser sight on only .