Firefield BattleTek Subcompact Green Laser Sight Black. Built for compact and subcompact handguns it boasts 600-yard nighttime visibility and 50-yard daytime visibility plus an internal rechargeable battery that provides up to 40 minutes of continuous power or 2 hours of pulsing power. Highly durable the BattleTek Subcompact boasts a maximum caliber recoil of .45 ACP and it is IP55 water-resistant shockproof and operates in temperatures from 14F to 113F. Specifications for Firefield BattleTek Subcompact Green Laser Sight: Manufacturer: Firefield Color: Black Beam Color: Green Finish: Matte Laser Output: 5 mW Wavelength: 520 - 532 nm Attachment Type: Weaver Battery Type: Lithium Rechargeable Battery Life: 40 - 2 hours Battery Quantity: 1 Operating Temperature: -4 - 113 Fahrenheit Water Resistance Level: IP55 Gun Model: Universal Width: 1.06 in Height: 1.07 in Weight: 1.85 oz Fabric/Material: Glass filled nylon Condition: New Last Chance: Yes Mount Type: Weaver Features of Firefield BattleTek Subcompact Green Laser Sight 600-yard nighttime visibility 50-yard daytime visibility Internal rechargeable battery Ambidextrous digital switch Windage and elevation adjustable Quick target acquisition 5mW green laser Attaches via Weaver Mount Package Contents: Firefield BattleTek Subcompact Green Laser Sight USB Type C cable Adjustment tool What firearm models does the manufacturer say Firefield BattleTek Subcompact Green Laser Sight is compatible with? The manufacturer says that Firefield BattleTek Subcompact Green Laser Sight is compatible with UniversalFirefield FF25020: BattleTek Subcompact Green Laser Sight Black