TianNorth CREE XM-L T6 LED 3-Mode Headlamp Bike Bicycle Headlight Head Lamp 2000LM Light+AC Charger+Car Charger Model of LED: CREE XM-L T6 Output bright can come to max 1800-2000 lumens [lm] Waterproofing design,Aluminum alloy casing,Aluminum alloy reflector Adjustable base is provided for each head lamp, with back and forth inclination Battery does not include.