Long range, lithium battery powered Gun-Mounted Tactical Light featuring the latest in shock-proof power LED technology and providing 1.75 hours of continuous regulated run time. Rail clamp designed to rapidly attach/detach from side of weapon. Models available with either standard door switch or remote door switch. Both models offer a tethered battery door and latch mechanism that prevents battery door loss while providing easy battery replacement. Strobe activated on two or more momentary paddle hits for guaranteed entry into strobe mode.