MORE SPECIFIC INFORMATION: ----Made of T6061 aircraft alumimium alloy. ----CREE 7090 XR-E P4 LED emits pure white brightness and can last for 100,000+ hours. ----Plastic tailcap switch,compact and durable,which can be repeatedly used for 100,000+ times. ----Coated acierate glass lens.Transmitting rate can be up to 98%. ----0.9V~4.2V multifunctional adjusting light circuit;MCU control. ----Waterproof and antiskip design makes it suitable in wet conditions.And you can even go 10 meter under water with it.We assure you that it dose work when marinated in water.No problem! ----Adjustable brightness.Five mode:Low(20 lumens for 45 hrs)->Medium(60 lumens for 4.5 hrs)->High(160 lumens for 40 minutes)->Strobe(10 HZ)->SOS(1 HZ)
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