1200LM CREE XM-L T6 LED USB Bike Light Cycling Headlamp Waterpoof MTB Bike Front Lamp Camping Hiking Headlamp Bicycle Light _x000D_ _x000D_ 1200LM CREE XM-L T6 LED USB Bike Light Cycling Headlamp Waterpoof MTB Bike Front Lamp Camping Hiking Headlamp Bicycle Light _x000D_ _x000D_ _x000D_ Description _x000D_ _x000D_ _x000D_ Output bright can come to max 1200 umens [lm] _x000D_ _x000D_ _x000D_ Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent _x000D_ _x000D_ _x000D_ Waterproofing design _x000D_ _x000D_ _x000D_ Aluminum alloy casing _x000D_ _x000D_ _x000D_ Adjustable base is provided for each head lamp, with back and forth inclination _x000D_ _x000D_ _x000D_ One button switch :High/Low/Strobe _x000D_ _x000D_ _x000D_ Characteristic: _x000D_ _x000D_ _x000D_ Multi-function Charge for bike light/headlamp: _x000D_ _x000D_ _x000D_ Note : USB line connect with your computer or mobile power, click the button,it will bright. or it can not work.hope understanding! _x000D_ _x000D_ _x000D_ Package Included: _x000D_ _x000D_ _x000D_ 1x USB Bike Light(Not including the battery). _x000D_ _x000D_ _x000D_ 1x Rubber O-rings _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_