Designed to securely attach to the trigger guard of the Glock 42 and Glock 43 subcompact pistols Features C4 LED illuminator and a 640 to 660 nm red laser 100 lm, 2000 cd; 89 m beam distance Runs 1 hr (LED only or LED/laser combo); 11 hr (laser only) Parabolic reflector produces a balance of beam and peripheral illumination; optimized electronics provide regulated intensity; red laser provides long-range targeting Ambidextrous switching (push-button on both sides) to access three modes: Laser only, Laser/LED combo, LED illumination only All modes feature a 10 min auto shut-off to conserve batteries Batteries can be replaced while light remains mounted on gun; no need to re-sight laser after battery change Uses 2 CR1/3N lithium batteries (included) Removable cover for easy attachment/removal Windage and elevation adjustment screw mounted in brass bushing for dependable zero retention of laser Durable, impact-resistant polymer construction; IPX4 water-resistant; 1m impact resistance tested Operating temperatures of -20 to +120 deg F Serialized for positive identification length: 2.3 inches (5.84 cm); width: 0.85 inches (2.16 cm); height: 1.42 inches (3.61 cm); Weight: 1.27 oz. (36 g) Limited lifetime warranty Assembled in USA All Rights Reserved Glock is a registered trademark of Glock, Inc Streamlight has not sought endorsement of this tactical light from Glock