Lightweight rail-mounted light featuring C4®LED technology and an integrated aiming laser sight!Constructed of an impact-resistant polymer, the ultra-bright TLR-4 is designed to fit compact and sub-compacthandguns. It also fits most full-sized handguns with rails on the market. One-handed snap-on and tighten interface keepshands away from muzzle when attaching/detachingSecurely fits a broad range of weapons. C4® LED technology, impervious toshock with a 50,000 hour lifetimeBorofloat high temperature glass lens. 640-660nm red laser. Ambidextrousmomentary/steadyOn-Off switchThree position mode selectorswitch for Laser only,LED illumination only orboth Laser and LED