Skycoolwin Waterproof 2000 Lumens Xm-l U2 LED Bicycle Light 4 Modes Super Bright Lighting Lamp Bike Lamp Headlamp with 8.4v Rechargeable Battery Pack and Charger for Camping, Cycling, Hiking Super Bright Bicycle Headlight Output bright can come to max 2000 lumens. Intelligent circuit control, 4 switch modes.Timely battery indicator helps you master battery condition. Waterproofing design,Easy to install and use. Applies the high efficient booster circuit to the internal wiring, can utilize the batteries to a maximum extent. Perfect item for your traveling, hiking, cycling and other outdoor sports.