1. Keep a Safe Distance With premium material and superior craftsmanship, this bike taillight has built-in high quality LED lights which can emit dazzling light (up to 150ft) in dark environment for remind surrounding vehicles to keep a safe distance from you. The best choice for those who like to ride at night or in bad weather 2.5 Lighting Modes This bicycle taillight has multiple humanized functions. Simply adjust the light mode to your needs. The 5 lighting modes can transmit different signals. Advanced infrared warning lights can not only help maintain a safe distance, but also improve your vision. 3.USB Charging and Long Time The bicycle tail light can be fully charged with a USB charging cable. USB charging in hours. And this vehicle tail light can keep working for more than 8 hours (in flashing mode) when fully charged. Rechargeable and easy to use, which will definitely be ideal for earth protection. And also a decent gift for your friends or family who love to ride 4.Waterproof and easy to installWe considered all weather conditions when designing, and this bike light is waterproof and durable, which is perfect for bad weather like heavy rain/thunderstorm/smog/foggy days. It can emit eye-catching lights to ensure your driving safety. Installation can be done in minutes What are you waiting for? Come get your beautiful bike taillights 5.IPX2 Waterproof: IPX2 waterproof function can withstand rainy days and humid climate, waterproof designed for outdoor cycling.