【What functions does the bicycle turn signal light have?】: There are 4 advanced bicycle turn signal modes: left turn signal, right turn signal, red and blue flashing LED light, double arrow turn signal. The main light is red, the left and right turn signals are yellow. There are four settings, just like a car or motorcycle, a clear arrow lights up indicating \"left\", \"right\", and \"danger\". 【How about USB charging】🚵♂️: Our bicycle taillight uses a built-in 500mAh rechargeable battery, USB charging is convenient and fast, and it can work for about 5 hours with constant brightness. The LED bicycle light comes with a charging cable, which can be charged from all your devices with USB ports, such as laptops, car chargers, mobile phone chargers, power banks, etc. 【Wireless remote control】🚵♂️: The smart taillight with turn signals is a wireless control system installed on the bicycle's head. The taillight's functions can be easily controlled via three easy-to-use buttons on the wireless control, providing extra safety while riding. 【IPX2 Waterproof rating】🚵♂️: The high-quality bicycle indicators can fully withstand rain and wet weather, and it is designed to provide waterproof function for outdoor cycling. The best safety equipment for outdoor cycling can be a gift for your family and friends. 【Why choose the combination of taillight and headlight】🚵♂️: Bicycle turn signals and matching headlights are perfect for all types of bicycles: mountain bikes, road bikes, off-road vehicles, racing cars, etc. When riding at night, the headlights emit strong light to illuminate the road ahead, and the taillights with steering function can warn people behind. This bicycle light combination kit can significantly improve your safety factor for night cycling. Usage methods: First, open the rubber charging port on the back of the taillight turn signal and insert the USB charging cable to charge. Press and hold the power button on the taillight, press the control button when the LED indicator flashes to correct the password, then it can be installed and used. Install the taillight and control with the corresponding components, and finally place them in appropriate places on the bicycle.: NOTE: If your bicycle turn signal cannot connect to the remote control, there are two situations: Firstly, the power of the bicycle taillight and remote control is not sufficient. The remote control's power must be kept above 2.8v to control the lights. If it is lower than 2.8v, it will be insensitive and unable to control; The taillights are easy to install, and you can easily remove them to prevent loss when leaving. The remote-controlled bicycle turn signal is very easy to install. There are three steps: Take out the taillight and attach the fastening ring to the side of the buckle and pass it through the rear seat post. Pass the rear seat post and attach the other end to the other side of the buckle. Attach the control to the handlebars in the same way, you can change the taillight's position while riding. Why choose our taillight with turn signals? The bicycle taillight is equipped with a USB charging cable. You can quickly charge it anytime, anywhere with a power bank, personal computer, car power supply, etc. The battery life can reach 5 hours to protect safe riding. This remote-controlled bicycle taillight also has an IPX2 waterproof function, so you can ride in rainy days without damage. Note: You cannot soak the taillight in water.