SURVIVOR® flashlight features C4® LED technology. High for a super-bright beam that pierces through smoke: 36000 candela, 175 lumens, 379m beam distance, runs 4 hours. Low for bright light and longer run time: 12000 candela, 60 lumens, 219m beam distance, runs 15 hours. Flash for signalling: runs 8 hours. Moonlight mode provides low-level lighting for battery conservation: runs 20 days. Deep-dish parabolic reflector produces narrow beam, ideal for smoke-cutting applications. Optimum peripheral illumination to aid in navigation. Spring loaded clip with built-in ring easily attaches to belts and harnesses. Optimized electronics provide regulated intensity. Rubber dome push-button switch provides easy operation even when wearing heavy gloves, sonic-welded push button switch designed for extremely long life. IPX4 water-resistant, 2 meter impact resistance tested.