WindFire&reg; Tactical Flashlight Cree Xm-l T6 Led 1000 lm 3.7-18V 1 Mode Light 18650 Battery Tactical Flashlight Torch with Pressure Switch /Tactical Switch and 45&deg;Side Picatinny Mount Rail Offset Ring Side Mount (Battery not included) 1000 lumens White light output produced by Cree XML -T6 LED Material: 6061T Aluminium, brand new, high quality Throw distance: Approximately 100 meters (110 yards) Powered by: 1 x 3.7V 18650 battery (battery not included) Designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment.