High Brightness Bike Turn Signal - These safety lights will keep you safe. 39 high light LED lamp beads can provide extremely bright light and increased visibility. Keep you visible not only at night but also in the dayWireless Remote Control - Install a remote control on the bike head, easily control the bike taillight to send signals in different modes with the three easy buttons to use the wireless remoteIPX2 Waterproof - The bicycle turn signal light are protected by the specially designed high density waterproof plastic lamp body. You can use it in any weather, extremely durable. It is easy to assemble, no tools requiredUSB rechargeable - Includes built-in 500 mAH capacity battery and charging cable, fully charges in 2 hours and can work for approximately 4 to 5 hours. Compatible with computers, power bank, and other devices with USB outputWide Application - Bike lights can be used as rear light and bike turn signal at the same time. Give light signal indications to rear drive vehicles including left and right steering, parking and braking warning. Suitable for all types of bicycles Bike Tail Light with Turn Signals Specifications: Material: plastic Color: red main light, yellow turn signal Taillight size: 125 x 40 mm Remote control size: 51.5 x 40mm Lamp beads: 4 blue SMD / 5 red SMD / 30 yellow SMD Brightness: 10-15LM red light Power supply: USB charging (included) Bike lights can be used as a rear light and bicycle turn signal at the same time. High brightness LED lamp, low power consumption and long life of life, increasing visibility and safety.