An all-in-one tail light and radar built to keep you aware, visible, and in controlReal-time vehicle detection, adaptive lighting, and seamless integration with ELEMNT bike computers and the Wahoo AppSleek, road-ready design, long-lasting battery, and versatile mounting system ensure confidence in every mileAlerts you to approaching cars up to 150m behindBrake light function increases luminosity when braking to alert approaching trafficA continuous flash pattern signals when a car enters the radarâs detection zoneBlack4RearSeatpostUSB C53UPC/EAN/GTIN: 850048106543