OTAL CLASSIC OFFSET TACTICAL AIMING LASER Rugged, compact and fully waterproof, the OTAL Classic aiming lasers are used by military and law enforcement agencies worldwide. OTAL's mount behind the front sight on M-16 or M-4 style rifles and the laser is offset to project around the front sight. Classic models can be equipped with either a visible Super Power Point laser or an infrared laser for use with night vision devices. EXPORT LICENSE REQUIRED. Infrared lasers are restricted to Law Enforcement and Government agencies. DOWNLOAD MANUAL DOWNLOAD SPEC SHEET Supplied with Quick Release Mount or Thumb Screw Mount Battery 6 in. remote cable pressure pad switch (specify cable length if different from standard) Features Include Specifically designed for M-4 style rifles Laser won't obscure iron sight Laser beam projects around the left side of the front sight Waterproof to 3 meters Meets MIL-STD-810F for adverse environmental conditions Compact and ultra-light--minimizes weight added to front of weapon Fully adjustable windage and elevation Low profile allows the laser to be mounted in front and accommodate scopes, holographic sights or night vision devices Fits all MIL-SPEC-1913 rails Manufactured in the U.S.A. Mechanical Environment Waterproof to 3 meters Height .73 in. / 1.9 cm Length 2.8 in. / 7.2 cm Limited Warranty 1 year Material Anodized aircraft aluminum 6061T-6 Weight 4.9 oz. / 138.9 grams (with battery) Width 1.4 in. / 3.6 cm Electrical Battery One 1.5-volt AA Battery Life 5 hours continuous Full Angle Beam Divergence 0.3 mrad Laser Type Visible pointer: Laser Class IIIa IR pointer: Laser Class IIIb Power Output Visible pointer: <5mW IR pointer: <1mW Range/Visibility Visible Pointer: (Night / Day) 450 meters / 30 meters IR Pointer: 600 meters Wavelength Visible pointer: 635nm IR pointer: 835nm