POLYSTINGER DS LED BLKPolystinger DS LED C4 LED technology,impervious to shock with a 50,000 hour lifetime 3-cell 3.6V sub-C NiCd battery is rechargeable up to 1,000 times Up to 2 hours continuous use between charges Up to 24,000 candela (Peak Beam Intensity), 385 lumens High brightness: UP to 2 continuous hours, Medium brightness: up to 3.75 hours. Low brightness:UP to 7.5 hours, Strobe UP to 5.5 hours Deep-dish parabolic reflector produces a long range targeting beam w/ optimum peripheral illumination. Optimized electronics provides regulated intensity Multi function On/Off push-button switch designed for extremly long life; tested at 1 million actuations Access any of the three variable lighting modes and strobe via the tai;cap or the head mounted switch Switches operate independently. Super tough, non conductive nylon polymer Rubberized grip for secure handling O-ring sealed Serialized for positive identification Length: 8.64" Weight: 11.9 oz. Color: Black witout Charger