AGPtek&reg; 5000LM CREE XM-L LED Bike Bicycle Light HeadLight HeadLamp With Rechargeable Battery Pack and Charger for cycling,Outdoor and Other Activites Waterproofing design,Aluminum alloy casing Aluminum alloy reflector 3 switch Mode: High / middle/strobe Combined with four 18650 batteries, 3 hours of continuous work. Enclosure with aviation aluminum alloy, CNC machining, anodizing surface treatment. Color:Black,Light Color: Cool White