Leapers UTG Compact Pistol Laser Green Ambidextrous UTG compact pistol laser, Aircraft aluminum construction with a matte Black finish, features Ambidextrous. Momentary/constant on/off controls, a class 3R bright green laser with a 3 hour runtime, and an optimized low profile mounting deck for securely attaching to either Universal or Picatinny rail. Features: - Ambidextrous Momentary/Constant On/Off Toggle Switches - Class 3R Bright Green Laser - 3 Hour Runtime Off a Single 1/3N 3V Battery - Durable Aircraft Aluminum Construction with a Matte Black Finish - Optimized Low Profile Mounting Deck for Securely Attaching to Either Universal or Picatinny Rail Specifications: - Type: Pistol Laser - Laser Color: Green - Material: Aluminum - Laser Type: Class 3R - Laser Beam Diameter: 1.1" (28mm) @ 16.4 yds (15m) - Laser Battery Operating Time: 3 hours - Windage/Elevation Adjustment Range: 31" @ 100yds - Laser Range: 546.8yds (500m) - Laser Life Time: 5000 hours - Length: 2.38"(60.4mm) / Width: 1.18"(30mm)/ /Height: 1.15"(29.3mm) / Weight with Battery: 2.1oz (61g)