-Special Feature: Dimmable-Color: Black-Power Source: Battery Powered-Light Source Type LED-Material: Glass, Plastic-Voltage: 4.2 Volts-Beam range 300m-Service life 100000h-Working time 20hrs-Super bright light: professional level and high brightness LED headlight, wide lamp cup of the irradiation range, long shots 2600 feet (800 meters)-The built-in rechargeable batteries, lithium electricity 9000 milliampere battery capacity, full of electricity can light illumination 8 to 12 hours at a time, weak light 10 to 16 hours, battery and? ?lamp life 100000 hours-Adjustable headband, lamp holder can move up and down, you can take it and handheld head, Waterproof function (can’t dive) to adapt to the damp environment-Brightness options: 2 model (strong and weak light),Long shots function; Perfect for garden, patrol, tactical situations, hunting, fishing, camping etc.-Do not immerse in water or other liquids-This product is designed for the people who requires to work at night or work in the dark.-With its long hours of continuous illumination and excellent energy saving, it is particularly suitable for tapping rubber, outdoor adventure, fishing, hunting, camping, auto repair and other? related industries-Do not look directly at LED since this can cause eye damagePackage Weight: 236gPackage Dimensions: 12cm x 11,5cm x 10,6cm