Bicycle Parts Rockbye Wireless Bicycle Alarm Rear Tail Light With Turn Signal IP65 Waterproof Remote Control USB Bike Brake Taillight Description: Mounted in the bike seat, the remote control can be carried around IP54 waterproof, no matter sunny day, rainy or snowy weather all works well The bicycle rear light has a wide range of brightness to alert oncoming traffic and improve cycling safety Anti-theft bicycle alarm, sound up to 110dB, scare away thieves Bicycle light with built-in battery, USB C recharging,2000 mAh large battery capacity, can be used for a long time Bike rear light with 6 light modes, adapt to different riding place, more convenient and safer 3 in 1 service of bike tail light, bike turn signal and anti-theft alarm, multi-functional and convenient to use ULTRA-BRIGHT BICYCLE REAR LIGHT WITH 6 MODES - Super bright and extra-wide bike taillights with 31 high-end LED lights, up to 160 lumens of powerful flashes alert motorists at night and during the day, that enhance your visibility and safety. Slow Flashing/Breathing/Fast Blinking/Steady Light/Emergency Light/OFF, 6 light modes easily selected by remote 5-IN-1 SMART BIKE REAR LIGHT FOR CARGO RACK - With electric bike horn, anti theft vibration alarm, rear bike light, bike turn signals, automatic bicycle brake light 5 functions. It ensures your safety when riding, especially for night riding. Then arm it by alarm function and take remote off after riding to prevent theft and provide additional security for your bike. 5 functions allow you to save more space on your bike and save money. An affordable practical bike accessories BIKE TURN SIGNALS - Easily press the R/L button of remote which clamps to handlebar before you turning, and right /left turn signal lights flash with click sound just like in car. Other drivers and pedestrians will see you and know exactly which direction youll ride. Never forget to turn off the blinker again SMART AUTO ON/OFF - The tail light is designed to automatically turn on and off based on the surrounding conditions. Only in Slow Flashing and Breathing modes. The taillight turns off after 30 seconds of inactivity in dark environments (Indoor environment is dark environment, no matter if your home light is turned on or off), and turns on when motion is detected. In bright environments, it automatically turns off to save power. No worry the bike taillight auto lights up when you sleep at night