【Bright Bicycle Turn Signals】: Our smart bike tail light with turn signals equipped with 38 high power LED lights beads, up to 60 lumen output, which is too bright enough to be seen Within 150 Meters in foggy/rainy day/or even during the day. 【Wireless Remote Control Turn Signal】: Equipped with intelligent remote control device, it can easily control bike turn signals lights,There are 5 modes：Left Turn Signal/ Right Turn Signal/ Bright Red Light/ Bright Yellow Light/ All Light Flash. 【IPX5 Waterproof & USB Rechargeable】：The IPX5 Waterproof Rear Bike Light is more convenient to travel on rainy days, fog ,inclement weather or through puddles. 【Easy To Install】: Designed to attach to the front and rear of your bicycle, can be combined or used single, this safety warning bike rear lights fit for mountain bike, road bike, off-road bike, dirt bike, scooter and so on. 【Long Lasting & Worry-Free Shopping】: Our bicycle safety light for day and night is made of high-quality ABS material, which is drop-resistant, wear-resistant and has a long service life.