HIGH QUALITY: Body material is 7075 Type II anodized aluminum, which is corrosion-proof, IPX4-rated weather resistant, 2M impact resistance. With an ultra-bright CREE XM-L2 8W LED, it shocks 100,000 hours lifetime. Light Modes: HIGH/LOW/STROBE, super output 600lumens, runtime 3 hours, beam distance 700 m / 2296.7 feet. Stable Light Output: High performance chip and high efficient circuitry ensure provide maximum light output throughout battery life. Better Focusing Effect: There is a smooth aluminum reflector in the head, which provides a better focusing effect. Self-Defense Bezel: With crenellated strike bezel on the head and tail, it\'s great for enhanced self-defense at night.