The OTAL Offset: Tactical Aiming Laser IR features a low-profile and lightweight design with an infrared laser that when used with night vision devices will engage targets out to 250 meters. Designed for the M-4 platform the Class I IR beam projects around the front sight. The Quick Release HT mount fits any NATO 1913 or Picatinny rail. - Product Features: - Class 1 Eye Safe Operation - IR Laser - Powered by: One AA Battery - Quick Release HT Mount - Fully Adjustable Windage / Elevation - Remote Cable Pad Activation - Momentary or Constant On Operation