HIGH OUTPUT 400 Lumens PEAK BEAM INTENSITY 4,000 candela DISTANCE 413 feet/126 meters HIGH RUNTIME 1.5 hours BATTERIES One 123A included WEIGHT WITH BATTERIES 3.2 oz/91.2 g LENGTH 4.2 in/10.7 cm BEZEL DIAMETER 1.0 In/2.7 cm SWITCHING Rear Facing Non Slip Button FUNCTIONS Constant/Momentary/Strobe LOCKOUT SYSTEM Safety Lever/Head Rotation MOUNTING Integrated Clamp CONSTRUCTION Glass Reinforced Nylon FINISH Black or FDE WATERPROOF Up to 66 feet/20 meters