• High efficiency 2mw – 650 nm wavelength laser diode
• Compact design, easy to attach to existing sights and optics
• Windage and elevation adjustable
• Dual Mounts included for 20mm Picatinny / Weaver or 11mm Dovetail rails
• Uses 3 x LR44 Batteries
• Mount, Batteries, instruction sheet and installation too
• Solid all metal construction!