The Streamlight TLR-7A Contour Remote is designed for one-handed shooting- ideal for dog handlers, SWAT teams, door breaching and close quarter operations. Features ambidextrous rear on/off switch; pressure controlled grip switch provides momentary operation; safe off feature prevents accidental activation; rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle; securely fits a most railed Glock Gen 4 or Gen 5 models and user enabled strobe function. Includes battery and mounting key.