Bicycle tail light with turn signalThis bicycle tail light has 5 light modes, left turn signal, right turn signal, red light always on warning light, red light flashing warning light, and full flashing warning light. When turning, there will be a sound to remind vehicles and pedestrians.Easy to operateeasy to install and disassemble, it can be installed in a few seconds. The angle can also be adjusted up and down.USB rechargeable and tweeterThe turn signal tail light is USB rechargeable, and it can be used for about 18 hours after charging for 2 hours. The wireless remote control can easily replace the battery. The bicycle taillight is equipped with a 120 decibel horn, which reminds passers-by safely, and it is safer to ride at night.Wireless remote controlRemotely control the bicycle tail light through the 3 buttons on the wireless controller to send signals in different modes. Lightweight and durable bicycle taillights can be installed on all bicycles, children's bicycles and adult bicycles. It can also be used as helmet lights, backpack lights, warning lights, etc.IPX4 WaterproofThe IPX4 waterproof rating makes this bicycle turn signal can be used in light to moderate rain. You dont have to worry about damaging it when you ride outdoors in the rain.