Mighty Tactical Laser Sight Green 532 nm wavelength laser Aluminum alloy construction Windage and elevation are adjustable in 1 MOA increments Effective range: 300 feet during the day, 1,000 feet at night Weight: 4.5 ounces Length: 4.7" Battery: 16340 (CR123a) Includes: Picatinny mount, a barrel mount, a hex wrench, a cable pressure switch, cap switch, and battery