Specifications: Material: Plastic Color: Red Main Light, Yellow Turn Signal Tail Light Size: 125 x 40mm Remote control size: 51.5 x 40mm Lamp beads: 4 blue SMD / 5 red SMD / 30 yellow SMD Brightness: red light 10-15LM< /p> 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 consumption energy saving and long life, increasing visibility and safety. About this item 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. Keeping you visible not only at night but also in the day Wireless 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 remote IPX2 Waterproof - The bicycle turn signal light are protected by the specially designed high density waterproof plastic