Maximum 600lumens Maximum beam distance up to 100 meters Main lights + 3 x secondary lights Rotating bezel design for multi-colored LEDs changing Magnet charging Utilize CREE XML2 U4 LED with lifespan up to 50,000 hours burn time; Powered by one 18650 battery and two CR123A / 16340 batteries; Avant-garde design of main light and secondary lights for widely used (patented); Mechanical rotating bezel design for multi-colored LEDs changing (Patented); Digitally regulated output maintains constant brightness, reverse polarity protection; Maximum 600 lumens with beam distance up to 100 meters and 38 hours runtime; Secondary multi-colored LEDs are widely used with maximum runtime over 45 hours; Additional warning and strobe light function to meet your outdoor safetly requirement; Quiet noise click button switch for power on / off and light level output control; Made of durable high-grade aluminum, Type III hard-anodized anti-abrasive finish; Lightest-weight (108g battery excluded) and compact appearance design (size 76x43x32mm) Features: 1, Main lights + 3 x secondary lights design (Patented), main light is for throwing long distance beam, secondary lights are for short distance with well use. 2, Compact and smart housing design can be used in a wide range of 100 degrees with one hand operation. 3,Main light: 600lumens maximum, 100 meters beam distance, over 38 hours runtime. 4, Rotating bezel design for multi-colored LEDs changing (Patented); Secondary lights: 80 lumens maximum, over 45 hours runtime. 5, Micro-USB waterproof charging plug, the indicator is red when it's charging and green when the battery is full. Please note: it can not charge directly with two 16340 batteries in it. 6, Leathery belt buckle to fix the head light on waist belt, backpack etc.