The TCM-550XL is a compact weapon-mounted light designed for handguns, delivering 550 lumens of white light. It utilizes a precision-engineered TIR lens to create a bright beam reaching up to 136 meters. Black anodized 6061-T6 aluminum construction with a polymer rear housing, OAL 2.50, Weight 2.50 oz, waterproof. The unit features intuitive, ambidextrous rear-facing toggle switches for momentary and constant-on modes. Powered by one included CR123 battery, it provides over 2 hours of runtime. The kit includes four modular rail inserts (pre-configured for Glock), spare Allen screws, and an Allen wrench, ensuring a secure fit on a wide variety of pistol accessory rails.