The Streamlight ProTac HL-X is a handheld tactical flashlight. It is not a weapon-mounted light - it carries in the pocket or on the belt and does not attach to a firearm rail. The light puts out 1,300 lumens on high and includes a nylon belt holster. Features: Handheld flashlight - does not mount to a firearm 1,300 lumens high, 420 medium, 70 low Runs on 2x CR123A lithium batteries Rechargeable version accepts an SL-B26 USB-rechargeable Li-ion pack Unbreakable pocket clip Includes a nylon belt holster A general-purpose handheld light for everyday and tactical use. It does not mount to a pistol or rifle rail.