SecurityIng&reg; Waterproof Super Bright CREE XM-L T6 1200Lm 3 Models White LED Bike Lamp, Cree LED Headlight,Solid Bicycle Light and Powerful Headlamp with Battery Pack Set For Outdoor Hiking, Riding, Camping and Other Activites 100% Brand New XM-L T6 1200Lm LED Bicycle Light and Headlight LED life of led is 100,000 hours. Vacuum plating cup Smooth surface,high temperature,anti-shedding,concentrating effect Perfect. Enclosure with aviation aluminum alloy,CNC machining,anodizing surface treatment. Combined with four 18650 batteries,capacity:4400mAh Voltage:8.4V,3-4 hours of continuous work. Waterproof design ,O-shaped ring,heavy rain is still normal use,attached with a Adjustable headband with a soft for forehead.