The TLR-8 G sub is an ultra-compact gun light with integrated green laser and interchangeable rear paddle switches for subcompact railed pistols Designed to enhance visibility and targeting capability in home defense and tactical situations, the lightweight TLR-8 G sub weapon light is designed to securely attach to 1913 subcompact handguns Features white LED with 500 lumens, 141m beam with a 15 hours run time (light only) Features green laser for long range targeting Next generation rear paddle switch to compliment your shooting style Rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle IPX4 water-resistant and uses one CR123A lithium battery (included) Safe off feature prevents accidental activation