USB Rechargeable Light: Super bright LED front and rear bicycle lights, built-in 650mAh rechargeable lithium battery. 300 lumens for front light and 100 lumens for tail light, high-efficiency constant current circuit design, intelligent low voltage protection, memory function,indicator light flashes when charging and long light when indicator is fully charged. Lighting Modes: LED bicycle headlight has 5 lighting modes: high brightness, medium brightness, low brightness, SOS,strobe and 6 tail light modes, high brightness, medium brightness, low Brightness, slow flash, warning flash, fast flash. IPX6 Waterproof & High Quality: Made of high-quality aluminum alloy casing, it has excellent impact resistance, heat dissipation and corrosion resistance, not only for USB charging port, but also for the entire lamp,Safe use, even in rainy weather. Easy to Installation: Advanced silicone mounting strap is elastic enough to fit all kinds of bikes and can be mounted on any part of the bike and They can be easily loosen and fasten, and no tools are required. Multifunctional Bicycle Light Set: This bike light set is versatile enough for cycling, hiking, camping, or any outdoor activity and can be used as emergency flashlight. This is great for cycling at night or in places where visibility and safety are concern. Package Included: 1 x Front Light 1 x Rear Light 2 x USB Cable 2 x Silicone strap 1 x Manual