Material: Aluminum Alloy / Model of Battery required: 2 x 18650 3.7v(not include)
Output bright can come to max 5000 lumens [lm] / Model of LED: 3x XM-L T6 / Waterproofing design
Adjustable base is provided for each head lamp, with back and forth inclination / Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent
Suitable for cycling, climbing, camping, travelling and outdoor activities / you can use All USB interface; e.g. Car;Computer;USB charger
Package Content: 1 X LED Flashlight (no batteries included) /?Promise?Any quality problems, send a new one for free.