Garmin Varia RearVue 820 Radar Rear Light
The Garmin Varia RearVue 820 Radar Rear Light combines a powerful rear light with advanced radar technology to help you ride with greater awareness and confidence on the road. Detecting approaching vehicles from behind and delivering real-time alerts to compatible devices, it enhances visibility and safety for everyday road and gravel cycling.
- Integrated rear-view radar detects vehicles approaching from up to 175 metres behind
- Bright rear light with multiple modes including Day Flash, Night Flash, Solid and Peloton
- Up to 100-lumen output visible from as far as 2 km for increased daytime visibility
- Automatic brake light activates when slowing to alert traffic behind
- Wide 220° visibility angle and expanded radar beam for improved traffic awareness
- ANT+ and Bluetooth connectivity with Garmin Edge computers, smartwatches and mobile app
- Customisable light modes and alerts via the Varia mobile app
- Long battery life up to 24 hours (flash mode) or 30 hours in radar-only mode
- Compact, lightweight design with seatpost mounting system included
- IPX7 water-resistant construction for all-weather riding




