1. Enjoy the warm glow of safety: With this USB rechargeable bicycle light set, you will have a reliable way to let pedestrians and passing traffic know when you are coming through. 2. Shines through rain, snow, and sleet: Watch these waterproof lights shrug off raindrops and adjust to different levels of light as you navigate through all kinds of weather. 3. Low on power: If your battery is running low after prolonged use, you can use the provided charger attachment to replenish your lights using any convenient USB port. 4. Get all the lighting you need: When you turn on the adaptive lighting system 5. How to turn off the headlight light: Your light will turn off automatically after your bike has been parked for several minutes, or pressing the button several seconds once youa??ve reached a place where therea??s enough light to ride safely. 6. Automatic light adjusting energy-saving mode+ bilateral warning warning lamp. 7. Helmet: Press the switch, indicator light blue light that enters the light sense mode, when there is insufficient ambient light, bike light will automatically turn mode, when the ambient light is sufficient, bicycle lighting mode automatically turns off. 8. Rear light: Press the front red part to turn off. 9. When the bicycle stops moving after three minutes, the bicycle will automatically stop lighting, avoid wasting battery power. 10. Aluminum alloy and ABS plastic combination design, the appearance of new, strong and durable. 11. Unique rectangular light cup design, uniform light spot, wide field of vision, night riding more safe.