1. Equiped with a cree u2 most powerful headlight, brightness up to 4000 Lm.

 2. The body of the most poweful headlamp was made up of aluminum alloy.

 3. Lamplife more than 50,000 hours, powered by 4*18650 li-ion rechargeabel battery, It can last for 5 hours continuously under full

     charged. so you do not need to worry about changing light bulds.

 4. Suitable for bicycle headlight and headlamp, tail keystroke type switch, included 3 modes(high/low/storbe).

 5. With the O-ring seal water-proof design, it deals with a nasty wild environment easily.