Light output: High- up to 24,000 candela (peak beam intensity), 185 lumens; Medium- up to 12,000 candela (peak beam intensity), 95 lumens; Low- 6,000 candela (peak beam intensity), 50 lumens. Deep-dish parabolic reflector produces a long-range targeting beam w/ optimum peripheral illumination. Optimized electronics provides regulated intensity. Runtime: High- up to 2 hrs.; Medium- up to 3.75 hrs.; Low- up to 7.5 hrs.; Strobe- up to 5.5 hrs. Fits existing Stinger snap-in chargers; compact and mountable in any position. 10 hr. steady charge, 2.5 hr. fast charge, or PiggyBack charger. Serialized for positive identification. Limited lifetime warranty. Super-tough, non-conductive nylon polymer with non-slip rubberized comfort grip. The PolyStinger LED and PolyStinger DS LED combine C4 LED technology with rechargeablilty generating the lowest operating costs of any flashlight made! 3 cell, 3.6 Volt sub-C NiCd battery is rechargeable up to 1000 times. O-ring sealed. Unbreakable polycarbonate lens with scratch-resistant coating. C4 LED Technology. Shock-proof with a 50,000 hr. lifetime. Multi-function On/Off push button switch designed for extremely long life; tested at 1 million actuations. Access any of the three variable lighting modes and strobe via the tailcap or the head mounted switch. Switches operate independently.