3 Modes 7000 Lumen 5x Cree XML T6 LED Cycling Front Bicycle Bike Light Headlight Headlamp Head Light Lamp Can be used as Headlamp or Bicycie Light. Output 5x XM-L T6 WHITE LED bright can come to max 7000 lumens [lm] Waterproofing design Model of Battery required: 1 x 8.4v 6400mAh Battery Pack