Garmin Varia Bike-Radar Bundle RDU & RTL501

Varia rearview radar from Garmin helps create a safer cycling environment by warning cyclists of vehicles approaching from behind up to 150 yards (140 meters). The radar rear light also warns approaching vehicles of a cyclist ahead. Works independently or integrates seamlessly with compatible Edge cycling computers. Edge computer or Varia head unit can show multiple approaching vehicles and indicates the relative speed of approach and threat level