Fenix PD35 960 Lumens Tactical LED Flashlight Weapon Kit, LegionArms off set Mount, Remote Pressure Switch and Holster Cree XM-L 2 (U2) LED with a lifespan of 50,000 hours Uses one 18650 rechargeable Li-ion battery or two 3V CR123A Lithium batteries 960 lumen maximum output and Maximum Beam Distance: 918 Feet (208 meters) Off Set tactical weapon mount, Mounts to your weapons universal or picatinny rail Tactical Click Push pressure Switch for Better and Easy Operation