The TLR-10 with integrated red includes customized ambidextrous switches with either a low or high position to match your style. It features a rail clamp that is designed to rapidly attach/detach from full frame weapons. It shines at 1,000 lumens with a 200m beam and runs 1.5 hours (LED only or LED/); runs 60 hours ( only). The custom optic produces a concentrated beam with optimum peripheral illumination also with an integrated 640-660nm red . It features an ambidextrous on/off switch and uses two CR123A lithium batteries (included). The safe off feature prevents accidental activation and saves batteries. The rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle. It also features a durable, anodized machined aluminum construction.