11 USB Rechargeable Front and Rear LED Bike Lights for Bicycle Headlight, Bicycle Speedometer, Waterproof Odometer, Suitable for You Waterproof LED Bike Light: The bicycle headlight adopts T6 high-brightness lamp beads, with long lighting distance, long service life, low power consumption, and 4 lighting modes to choose from. Rechargeable Waterproof Bike Light: This LED bicycle headlight has a built-in 1200mAh battery, which can be ridden for 3.5-6.5 hours, accurate battery power indication, and super waterproof performance. Install in Seconds: The bicycle headlight and taillight mounting straps fit tightly on most handlebars and seatposts. Installation and release are quick and easy. No tools are required. Bicycle Horn and Tail Light: Two-in-one design of bicycle headlight and horn. One of the six sound modes can be changed with a single click, and the red taillight also has two modes: constant light and strobe. Multi-purpose Use: This bicycle light can be used as a regular flashlight for hiking, camping, walking, home or office during power outages, family/children's night activities, etc.