Red 4 Modes Waterproof 2800 Lumens Cree Xm-l U2 LED Bicycle Light & 6400mah Battery Pack & Charger, Cree LED Bike Lmap Light Super Bright Lighting Lamp for Outdoor Sports Like Cmaping, Hiking, Etc.. Super Bright 2800Lm Bicycle Flashlight Headlamp Output bright can come to max 2800 lumen Can be used as Headlamp or Bicycle Headlight. Internal wiring applies high efficient booster circuit utilize batteries in the largest extent. Perfect fit for outdoor sports, such as camping, traveling, hiking. Waterproofing design,Easy to install and use.