Feature This product is made of aluminium alloy; It is waterproof and shockproof; It uses the LUXEON 3 Watt LED bulb which lasts up to 100,000 hours. Battery life is 180 minutes on a full charge and it can be recharged up to 500 times. The techniques are officially approved. To ensure safety, our products are firmly wired and comes with two chargers. The smaller AC adaptor and 12V DC car-adaptor provide added convenience. Adjust the zoom head rotation dimming. The middle third gear switching function output: first press: High light output; by the second; Low light output; by the third time; can be used as warning lights flashing.