The Streamlight TLR-7A Flex includes customized ergonomic switches featuring a low or high position to match your shooting style. It features an ambidextrous on and off switch and a rail clamp that is designed to rapidly attach and detach from the side of compact and full frame weapons. Its low-profile design prevents snagging and a safe off feature prevents accidental activation, saving your batteries. This kit includes a low switch, high switch, CR123A lithium battery, and key kit.