ON THE WAY&reg; 4 Modes Waterproof 5000 Lumen 2x XML U2 LED Cycling Bicycle Bike Light Lamp HeadLight Headlamp +6400mAh Battery Pack +Charger,U2 LED Bike Lamp Light ,Super Bright Lighting Lamp Bike Light LED Flashlight Torch for Outdoor Sports Like Riding,Hiking, Cmaping etc.. Super Bright 5000Lm Bicycle Flashlight Headlamp Output bright can come to max 5000 lumen. Internal wiring applies high efficient booster circuit utilize batteries in the largest extent. Waterproofing design.,Easy to install and use. Can be used as Headlamp or Bicycle Headlight. Perfect fit for outdoor sports, such as cycling,hiking, camping, traveling.