Garmin Varia RTL515 Rearview Cycling Radar and Tail Light.
Rearview radar with tail light makes awareness of vehicles behind up to 140 metres away.
Pairs easily with your Edge bike computer and compatible smartphone.
When used with a compatible smartphone the Varia app provides graphics, tone and vibration alerts indicating approaching cars.
When used with a compatible smartphone, Varia radar joins with third-party apps such as Ride with GPS to overlay your maps with rearview radar alerts.
Daylight visibility up to 1 mile alerts motorists to your presence quickly.