Garmin Rearvue 820 Rear Light brings clear awareness to every ride by combining a powerful rear radar with an exceptionally bright tail light. Radar tracking spots approaching vehicles from up to 175 metres away and covers a wider field of view, giving earlier and more reliable warnings. Clear alerts help riders stay aware of traffic approaching at speed or travelling at a similar pace.A bright rear light keeps visibility high from up to 2 km in daylight or low light conditions. Garmin Rearvue 820 Rear Light also includes an automatic brake light that signals when speed drops or a stop begins, using a distinct flash pattern to warn drivers and riders behind. Long rides stay covered with up to 24 hours of battery life in day flash mode.Garmin Rearvue 820 Rear Light works with compatible Edge cycling computers, Garmin smartwatches and the Varia smartphone app to deliver visual, audible and haptic alerts. Riders can see the size of approaching vehicles, lane changes and threat levels on supported screens. Multiple light patterns allow easy switching between day flash, night flash, solid and peloton modes, while a compact shape and updated seatpost mount fit neatly onto most road and gravel bikes.Features:- Rear radar tracks approaching vehicles from up to 175 metres away- Wider radar field of view for earlier and more reliable alerts- Detects vehicles travelling at higher speeds or matching rider speed- Identifies small, medium and large vehicles- Shows vehicle lane changes and threat levels on compatible devices- Bright tail light visible from up to 2 km- Automatic brake light activates during slowing or stopping- Distinct brake light flash pattern warns road users behind- Up to 24 hours of battery life in day flash mode- Four light modes including day flash, night flash, solid and peloton- Custom light patterns available through the Varia smartphone app- Visual alerts on compatible Edge cycling computers- Audible alerts through connected devices- Haptic alerts on compatible Garmin smartwatches- Compact body fits neatly on most road and gravel bikes- Updated seatpost mount for clean and secure fitting- Compatible with Varia seat rail mount kit, sold separately

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