Approx 600 lumens output
mount will fit most any Picatinny/Weaver style scope mount and tactical rail systems on rifles and shotguns.
Push button on/off activation siwtch, Uses 2 x common CR123 lithium battery ( battery included ). New LED
technology gives you 50x longer life span than standflashlight bulbs and up to 10x more battery life.
Built to withstand heavy shock and recoil.water proof..