Powered by two (2) 3-volt CR123A lithium batteries
Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of the muzzle
Includes keys for GLOCK®-style rails, MIL-STD-1913 (Picatinny) rails, Beretta® 90two, Smith & Wesson® SW99, Smith & Wesson® TSW, and SIG SAUER® P320® rails