【Bright Bicycle Turn Signals】: Our smart bicycle tail light with turn signals is equipped with 38 powerful LED lights, up to 60 lumens, which are bright enough to be seen within 150 meters in fog/rain/or even during the day. This bicycle tail light also has a horn signal, which can also effectively remind the vehicle behind. For an intelligent bicycle LED light and safe cycling! 【Wireless Remote Control for Turn Signals】: Equipped with intelligent remote control, you can easily control the bicycle's turn signals, there are 5 modes: Left turn signal / Right turn signal / strong red light / strong yellow light / all lights flashing. Which can better attract other cyclists' attention and make cycling safer for everyone. (Note: Maximum control distance for the remote control: 5 meters) 【IPX5 Waterproof USB Rechargeable】: IPX5 waterproof bicycle tail light is more convenient to travel with on rainy days, fog, bad weather or through puddles. Built-in 600 mAh battery that can be quickly charged via USB interface. Fully charged in 3 hours provides a battery life of 5 hours, so you don't have to worry about the battery running out. 【Easy to Install】: These bicycle warning lights are designed to be attached to the front and rear of your bicycle and can be combined or used individually. They are suitable for mountain bikes, road bikes, cross motorcycles, scooters and so on. No tools needed, just hook on the durable rubber band mount, and you're ready to ride. 【Long-lasting Worry-free Shopping】: Our bicycle warning light for day and night is made of high-quality ABS material which is drop-resistant, durable and has a long service life.