[Remote control and 5 mode ] - Bike tail light wireless remote control, powerful wireless range up to 45 meters/150 feet, easily switch the light mode of the bike light by pressing three different buttons on the controller. There are 5 light modes: right turn, left turn, red light always on, red light flashing and all flashing. Different modes can be changed according to your needs and occasions to effectively remind vehicles to drive. Super Bright Bike Turn Signal and Left/Right Turn Signal]The bike light is equipped with 30 bright SMD and 180 degree field of view, bright enough to be seen from 150 feet in rain/fog/dark night or daytime. Simply turn on the left/right turn signal via wireless remote control and get the driver's attention to safety. during the . [IPX4 Waterproof and USB Rechargeable] - IPX4 waterproof rating makes the bike taillight more convenient in rainy or foggy . The bike turn signal is equipped with a charging cable, which can be from your computer, mobile power or any device with USB port. [120dB Bicycle Horn and Vehicle Search Function] - Our bike tail light is designed with 120 dB speaker to provide better safety alerts when you turn left/right, while easily finding your vehicle in the parking lot, providing extra security and peace of mind when your vehicle is riding outdoors. [Easy to install and use] - The rechargeable bike light can be installed quickly without tools, the silicone mounting strap of the tail light is designed with an opening to fit tightly on most sizes of handlebars and posts. The size of the bike back light is portable and can be mounted on your bike, helmet, pet, backpack or anywhere you can imagine. Enhance the safety of night riding. Colour:Black Material:plastic,Metal Package Contents: 1 * tail light 1 * remote control 2 * strap 1 * data line 1 * Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.