The bike tail light emits an eye-catching wide-angle beam that can be seen from several blocks away, which can be used as a warning taillight, signal light, navigation light to help other riders, drivers and pedestrians spot you and improve visibility and safety during the daytime, darkness or nighttime. rechargeable bike tail light can be installed in seconds without tools, screws and accessories. In addition to standard bicycles, the lights can also be used for scooters and wheelchairs. -duty flexible bracket fits any seatpost, seatstay, helmet, saddlebag, backpack, skateboard, scooter, wheelchair, or dog collar. 4 LED Bright Bicycle Rear Lights, comes with mounting strap, USB cable. Easy to store. Great for cycling enthusiasts . Make you and your bike more dazzling. In addition to standard bicycles, these lights can be used for helmets, scooters, wheelchairs and more. Color: Black & Red Material: plastic Package Contents: 4 * Bike Tail Lights 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.