USB Rechargeable Bike Light: Our bike tail light can be charged via a USB cable. The charging port is designed with a silicone seal to ensure that the port is dry and dust-free. It only takes 3 hours to fully charge, and the standby time is up to 36 hours, which is durable.High Bright Lamp Beads: Using high bright lamp beads, with 12 red SMDs in the middle and 18 yellow SMDs on the left and right, this bike tail light provides you with a high brightness and large illuminance range to make your ride at night worry-free.Bicycle Taillight with Remote: Comes with a wireless remote control of 3 buttons. The left and right arrows correspond to the left and right turn signals, and the circular button can switch the 3 modes of the tail light. It can be installed on the handlebar to control the bike rear light, you can turn on it according to the road conditions during riding, which is convenient for operation.5 Lighting Modes: There are 5 modes: red light on, red light flashing and all flashing, left and right turn signal. Simply press the corresponding button on the remote control to switch the above modes. When the turn signal is on, a high-decibel horn will sound, which makes our bike tail light suitable for different riding occasions.Why Choose Taillight and Headlight Combination: Bicycle turn signal lights and matching headlights are perfect for all kinds 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 greatly enhance your safety factor for night travel.