Use this light or light/laser combination to allow for easy identification of potential threats before taking action. Product Details Contoured housing securely attaches to weapon. 100 lumens; 89m beam distance Runs 1 hour (LED only or LED/laser combo); 11 hours (laser only) Push-button switch on both sides for easy operation for right or left-handed shooters 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) Windage and elevation adjustment screws mounted in bushing for dependable zero retention of laser The TLR-6 Universal Kit includes one Light/Laser module and 6 housings for use with various subcompact handgun models Durable, impact-resistant polymer construction; IPX4 water-resistant; 1m impact resistance tested Operating temperatures of -20 F to +120 F Serialized for positive identification Length: 2.20 (5.59 cm) - 2.97 (7.54 cm) depending on model Weight with batteries: 1.12 oz. (32 grams) - 1.27 oz. (36 grams) depending on model Limited lifetime warranty Assembled in USA