SMART BIKE TAIL LIGHT WITH 3-IN-1 FEATURES: With electric bike horn, rear bike light, bike turn signals 3 functions. It ensures your safety when riding, especially for night riding. 3 functions allow you to save more space on your bike and save money.SUPER BRIGHT BICYCLE TAIL LIGHT: Bike taillights are equipped with 32 high-end LED lights beads, up to 180lm LED light to provide excellent lighting, and bright enough to be seen from 150ft away in foggy/rainy day or even in dark night. Adjustable angle up and down.5 LIGHT MODE OPTIONS: You can change 5 different modes easily selected by remote according to your needs and occasions to get the best lighting experience and protect you. Power button: red light always on-red light flashing-red & yellow light flashing. Turn right button: high decibel speaker+red & yellow(left) light flashing/high decibel speaker+red & yellow(right) light flashing.BIKE TURN SIGNALS: Remote control the bike tail light to send signals in different modes by the 3 easy to use buttons on the wireless controller. Easily press the R/L button of remote which clamps to handlebar before you turning, and right /left turn signal lights flash with didi sound. Other drivers and pedestrians will not just see you but hear you from afar and know exactly which direction youll ride.IPX4 WATERPROOF: IPX4 Waterproof level make this bike turning light can be used in small to moderate rain in the temperature of in -4-140F-your best partner for outdoor biking.