1. Smart Super Bright Bicycle Tail Light Our bicycle tail light is equipped with 100 lm LED lights, which provide excellent lighting, ensure the safety of long-distance riding in rainy and foggy weather, and make your night trip more convenient and safe. This is the best tail light for your bicycle and a great gift for family or friends. 2. Remote Control with Turn Signal This bicycle tail light is equipped with left and right turn signal lights, which can be turned on by remote control. There are 3 modes: red light, red light flashing and full flash, which can better attract the attention of other cyclists and make each other safer. 3. Waterproof and Rechargeable IPX4 waterproof design makes this rear bicycle light more convenient to travel in rainy days. Built-in 1000mAh large-capacity battery, which can be quickly charged through the USB interface, so you don't need to worry about battery exhaustion. 4. Easy to install and adjust This wireless bicycle tail light is compatible with most mountain bikes or road bikes and is easy to install and use. The viewing range of this bicycle tail light is up to 270 degrees, and the angle can be adjusted according to your needs for the best viewing angle.