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-compact handguns. It also fits most full-sized handguns with rails on the market. C4 LED technology, impervious to shock with a 50,000 hour lifetime. 640-660nm red laser. 5,000 candela peak beam intensity 110 lumens Runs 1.5 hours LED only or LED and laser 11 hours laser only One-handed snap-on and tighten interface keeps hands away from muzzle when attaching/detaching. Securely fits a broad range of weapons Windage and elevation adjustment screw mounted in brass bushing for dependable zero retention of laser Ambidextrous momentary/steady On-Off switch Three position mode selector switch for Laser only, LED illumination only or both Laser and LED Textured parabolic reflector produces a concentrated beam with optimum peripheral illumination. Optimized electronics pr Streamlight TLR-4 TLR-4; Lithium battery. Key Kit. Boxed.