TLR-4 Rail Mounted C4 White LED Light and Red Laser for Compact - SubCompact Handguns by STREAMLIGHT FLASHLIGHTS Designed for sub-compact and compact weapons and this compact tactical rail-mounted light features an integrated and visible green aiming laser optimizing brightness with a wide operating temperature range. Features C4® LED technology and a 510-530nm direct drive red laser with wide operating temperature range 5200 candela peak beam intensity; 115 lumens Green laser provides high visibility long-range targeting Operating temperatures of -20°F to +120°F Ambidextrous momentary/steady On-Off switch Three position mode selector switch for Laser only and LED illumination only or both Laser and LED: ?LED only mode runs 1.75 hours -LED and Laser mode runs 1.25 hours -Laser only mode runs 4 hours Textured parabolic reflector produces a concentrated beam with optimum peripheral illumination; optimized electronics provide regulated intensity 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 Impact-resistant Engineering polymer construction with durable anodized aluminum facecap Borofloat high-temperature glass lens IPX4 water-resistant Serialized for positive identification Compact – weighs 2.81 oz. (79.7g) with included battery; 2.73" (6.93 cm) Uses one 3V CR2 lithium battery (included) Models also available for H&K USP Compact frame and H&K USP Full Size frame Limited lifetime warranty Assembled in USA