IPX4 Waterproof And USB Rechargeable--The IPX4 waterproof level makes the bike rear light more convenient to travel on rainy or foggy days. The bike turn signals comes with a charging cable which can charge from your computer, power bank or any device with a USB port.120dB Bike Horn And Vehicle search function Our bicycle rear Light designed with 120 dB speaker for better security warning when you turn left/rightalso can easy to find your vehicles in parking lot,provide additional security and give you a peace of mind when your vehicles cycle outdoors.Remote Control and 5 Mode OptionsThe bike tail light wireless control by remote, strong wireless range up to 45M/150FT,easy to switch the light modes of the bicycle lights by press the three different buttons on the controller. Totally have five light modes: turn right, turn left, red light always on, red light flashing and all flashing. Can change different modes according your demands and occasions, effectively reminding passing vehicles.EASY TO INSTALL & USE- The rechargeable bicycle lights installs quickly without tools, the silicone mount strap for Taillight is designed with openings that can tightly fit around most size handlebars and seat posts. Also the size for bike back light is portable, can install on your bicycle, helmet, pets, backpack or anywhere you can imagine. Strengthened the safety for night riding.Super Bright Bicycle Turn Signals And Left/Right Turning Light bike lights with 30 bright SMD led lights and 180-Degree field of view width, the brightness is enough to be seen from 150ft away in rainy/foggy day/dark night or even during the day.Simply turn on left/right turn signals through the wireless remote control and get drivers' attention,ensure the safety for cyclist during riding.