Garmin, Varia RearVue 820, Radar and Light, Rear, Black

• Varia RearVue 820 is the rearview radar and tail light that alerts you to approaching vehicles on your compatible Edge cycling computer, Garmin smartwatch or Varia app on your smartphone. With our most powerful and precise radar tracking technology, it detects vehicle size and threat level with a wider field of view. The tail light provides enhanced visibility and features a brake light flash pattern when you’re slowing down or stopping.