The Varia RTL515 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 153 yards away. The radar provides multiple display options, and can be pair with your compatible Garmin, Wahoo device, or phone. The Garmin Varia is incredibly bright and visible up to a mile away. 

• Up to 16 hours of battery life in day flash mode.
• Rechargeable (charging cable included)
• Easy to mount on both round and aerodynamic seatposts. (mounting hardware included)
• A must-have for any cyclist.