Lightweight rail-mounted light with red laser, constructed of an impact-resistant polymer, designed to fit compact and sub-compact handguns. It also fits most full-sized handguns with rails on the market. Now shining brighter at 170 lumens! White 170 lumen LED and a red laser for long-range targeting 3 modes: White LED only, Red laser only, or both LED and Red laser Runs 1.5 hours to the 10% output level ( LED only or LED and laser); 15 hours (laser only) Textured parabolic reflector produces a concentrated beam with optimum peripheral illumination; optimized electronics provide regulated intensity; red laser provides long-range targeting Compact weighs 2.81 oz. (79.7 g) with included battery; 2.73" (6.93 cm) Key kit included for mounting to a variety of weapons (H&K USP models do not include key kit) Rail clamp designed to rapidly attach/detach from side of weapon. One handed snap-on and tighten interface keeps hands away from muzzle when attaching/detaching Windage and elevation adjustment screw mounted in brass bushing for dependable zero retention of laser Ambidextrous momentary/steady On-Off switch Uses one 3V CR2 lithium battery (included) Impact-resistant Engineering polymer construction with durable anodized aluminum facecap Borofloat high temperature glass lens Operating temperatures of -20 F to +120 F IPX4 water-resistant Serialized for positive identification Models also available for H&K USP Compact frame and H&K USP Full Size frame Limited lifetime warranty Assembled in USA