Innovative rear taillight with the latest radar technology \n Engineered lens and optics for superior visibility \n Durable, yet elegant comolded construction \n Wide range detection alerts of approaching vehicles from up to 150meters away \n Dual Bluetooth and Ant+ wireless system \n Connects to: Lezyne Radar app, multiple Ant+ head units, React Drive Front \n Radar app features visual and audio alerts, and controls connected lights \n Seven outputs modes with Daytime Visibility and up to 250 lumens \n Momentary alert flash automatically activates for approaching vehicles \n Up to 15 hours of battery runtime \n Versatile strap securely mounts to most seatpost shapes \n Includes Dpost and aero post adapters \n IPX7 waterproof design with USBC charging port