RADAR TAILLIGHT, VEHICLE DETECTION, 250 LUMENS, BLUETOOTH & ANT+, CONNECTS TO APP OR GPS UNITS, USB-C - 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 300 lumens - Momentary alert flash automatically activates for approaching vehicles - Up to 20 hours of battery runtime - Versatile strap securely mounts to most seatpost shapes - Includes D-post and aero post adapters - IPX7 waterproof design with USB-C charging port