Beamshot Night Stalker IR Laser Sight Black NightStalker Civilian. It has a range of 500 meters / 2 mile (3 KM)(military version) and is very effective for night varmint hunting as well as for personal self-defence. The Night Stalker is similar to IR lasers used by the military and requires a night vision device to focus in on the laser. Specifications for Beamshot Night Stalker IR Laser Sight: Manufacturer: Beamshot Color: Black Beam Color: Red Laser Output: 0.7 mW Wavelength: 850 nm Maximum Range: 500 yds Battery Type: CR123A Battery Life: 15 hours Operating Temperature: 10 - 120 Fahrenheit Water Resistance Level: IP54 Gun Make: Universal Gun Model: Universal Length: 2.95 in Width: 0.87 in Weight: 2.12 oz Gun Type: Shotgun Rifle Features of Beamshot Night Stalker IR Laser Sight Glass optics enables the laser dot to remain tight for pinpoint accuracy under a wide range of weather conditions. This laser will work in a temperature range of 10 F to 122 F. Night range of 500 meters / 2 mile (3 KM)(military version). Safety On/Off switch contains an LED indicator that will glow red when the IR laser is on. True Windage & Elevation rapidly sight in the laser to your scope or iron sights. This will enable you to accurately aim using your night vision goggles or night vision scope. Equipped with a universal mount (M1 P.31) that allows it to be attached to any picatinny rail system. More than 600 yards visibility for Night Vision Device. Beamshot M1 Mount which can fit all kind of weaver and picattiny 1913 rail Package Contents: Beamshot Night Stalker IR Laser Sight Beamshot M1 Mount What firearm models does the manufacturer say Beamshot Night Stalker IR Laser Sight is compatible with? The manufacturer suggests that Beamshot Night Stalker IR Laser Sight is compatible with UniversalBeamshot NightStalker Civilian: Night Stalker IR Laser Sight Black