DARVISO Ride-X9 Intelligent Radar & Tail Light features a High - Precision Radar, enabling Lane - Level Monitoring with smart taillight. It can detect approaching vehicles up to 150m away and issue alerts. With a Smart Warning System, it ensures your safety on the road. Additionally, it offers Cycling track record and sharing functions. Installation is easy and reliable. The product has a long battery life and supports fast charging. It's compatible with ANT+ & Bluetooth. Moreover, it's Durable, Reliable, and Waterproof, making it a perfect companion for your cycling adventures.