【Powerful Bike Turn Signals】: Our smart bike tail light with turn signals features 38 high-intensity LEDs, boasting up to 60 lumens. It's bright enough to be seen from 150 meters away in foggy, rainy, or even daytime conditions. This bike tail light also includes a horn, effectively alerting vehicles behind you. It's the intelligent LED bike light for safe cycling! 【Wireless Remote Control】: Equipped with a smart remote, easily control the bike's turn signals. It offers 5 modes: left turn signal / right turn signal / bright red light / bright yellow light / all lights flashing. This better attracts the attention of other cyclists and enhances safety for everyone. (Note: Remote control maximum distance: 5 meters) 【IPX5 Waterproof & USB Rechargeable】: The IPX5 waterproof rear bike light is perfect for riding in rainy weather, fog, or through puddles. Built-in 600mAh battery quickly charges via USB, providing up to 5 hours of runtime on a 3-hour charge, so you don't have to worry about running out of power. 【Easy to Install】: Designed to attach to the front and rear of your bike, either together or separately, this safety warning bike tail light is suitable for mountain bikes, road bikes, dirt bikes, scooters, and more. No tools required! Simply hook it up with the durable quick-release rubber band and you're ready to ride. 【Long-Lasting & Worry-Free】: Our day and night safety bike light is made of high-quality ABS material, making it impact-resistant, durable, and long-lasting.