Designed to securely attach to the trigger guard of GLOCK. Using this light/laser combination on subcompact handguns allows for easier identification of potential threats before taking action. The TLR-6 Universal Kit includes one Light/Laser module and 6 housings for use with 18+ subcompact handgun models. Features C4 LED illuminator and a 640-660nm red laser. Runs 1 hour (LED only or LED/laser combo). 11 hours (laser only). Parabolic reflector produces a balance of beam and peripheral illumination. optimized electronics provide regulated intensity. red laser provides long-range targeting. All modes feature a 10 minute 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 two CR1/3N lithium batteries (included). Removable cover for easy attachment/removal. Windage and elevation adjustment screws mounted in brass bushing for dependable zero retention of laser. Contoured housing securely attaches to trigger guard. Durable, impact-resistant polymer construction. IPX4 water-resistant. 1m impact resistance tested. Operating temperatures of -20 to +120 Degree Fahrenheit. Serialized for positive identification. 2.30-Inch (5.84 cm) to 2.97-Inch (7.54 cm) depending on model. 1.12-Ounce (32 grams) to 1.27-Ounce (36 grams) with batteries. depending on model. Limited lifetime warranty..