Split Bicycle Taillight: The bicycle taillight has a beautiful, cool appearance, and the left and right turn signals can be disassembled and installed independently or as a single unit, making your bicycle unique. Wireless Remote Control: The 5-mode LED bicycle taillight is equipped with a wireless remote control, which allows you to easily switch between left turn signal, right turn signal, constant yellow light, and constant red light, all flashing, providing an excellent safety guarantee for cyclists. Long Battery Life and USB Charging: The rear bicycle turn signals have built-in 600mAh batteries, strong endurance. Equipped with a USB charging cable, charging in 3 hours, battery life up to 4-5 hours (depending on the working mode). Waterproof and Easy Installation: The remote control taillight is IPX6 waterproof and can be used even in normal rainy weather. And the rechargeable bicycle taillight is easy to install without tools, which is very convenient and fast.