Nightstick TCM550XL Compact Tactical Weapon Light Handgun White LED 550 Lumens Black Anodized 6061-T6 AluminumBrand Nightstick Category Gun Lights Model Compact Series Tactical Weapon Light Color Black Anodized Material 6061 T6 Aluminum Proofs Dust Waterproof Impact,Shock Resistant Output 550 Lumens Firearm Type Handgun Battery CR123 Bulb Type LED Filter Color White Hand Ambidextrous Includes 4 Handgun Modular Rail Inserts Length 2. 50" Mount Type Picatinny Weaver OAL 2. 50" Run Time 2. 50 Hours Switch Type Toggle Switch Weight 2. 50 oz Search Code NSTICK