Garmin Rearview Radar Varia RTL515
This rearview radar with tail light pairs with your Edge bike computer or compatible smartphone to alert you of vehicles approaching from behind.
Varia RTL515 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 153 yards (140 meters) away.
When used with a compatible smartphone, Varia radar integrates with your favorite apps, such as Ride with GPS to overlay your maps with rearview radar alerts.
Alert motorists to your presence as soon as possible with daylight visibility up to 1 mile.
Time spent charging is not as good as time spent riding. Get up to 16 hours of battery life in day flash mode and up to 6 hours in solid mode.
Easily mount this sleek, compact device on the seatpost of almost any road-use bicycle. The vertical design allows for better leg clearance and a perfectly comfortable ride.