Innovative rear taillight with the latest radar technology- Engineered lens and optics for superior visibility- Durable, yet elegant co-molded construction- Wide range detection alerts of approaching vehicles from up to 150-meters away- Dual Bluetooth and Ant+ wireless system- Connects to: Lezyne Radar app, multiple Ant+ head units, React Drive Front- Radar app features visual and audio alerts, and controls connected lights- Seven outputs modes with Daytime Visibility and up to 250 lumens- Momentary alert flash automatically activates for approaching vehicles- Longer Runtime- Smaller/More Compact- Quarter Turn Mount- Versatile strap securely mounts to most seatpost shapes- Includes D-post and aero post adapters- IPX7 waterproof design with USB-C charging port