Varia RearVue 820

Overview
Specs
In the Box
Accessories
Compatible Devices
Overview STRIKINGLY VISIBLE. REMARKABLY POWERFUL.
Varia RearVue 820 features our most powerful and precise radar yet with a wider field of view, giving you more reliable alerts than ever before. The tail light offers up to 2 km (1.24 miles) of visibility and has a brake light that shows when you’re slowing or stopping.
TRACKS VEHICLES UP TO 175 METERS (MORE THAN 190 YARDS) AWAY WITH WIDER FIELD OF VIEW
GET UP TO 24 HOURS OF BATTERY LIFE IN DAY FLASH MODE
BRIGHT TAIL LIGHT IS VISIBLE UP TO 2 KM (1.24 MILES) AWAY
SEE THE SIZE OF APPROACHING VEHICLES1
BRAKE LIGHT ALERTS OTHERS THAT YOU’RE SLOWING OR STOPPING
STAY ALERT TO VEHICLES TRAVELING AT THE SAME SPEED2
WHAT YOU’LL LOVEPOWERFUL AND RELIABLE RADARWith our most powerful and precise radar tracking technology, Varia RearVue 820 radar detects vehicles approaching from up to 175 meters (more than 190 yards) away with a wider field of view.
BRIGHT TAIL LIGHT AND BRAKE LIGHTOur brightest tail light means you’ll be visible from up to 2 km (1.24 miles) away. A brake light detects when you’re slowing or stopping and displays a unique flash pattern.
ADVANCED VEHICLE TRACKINGSee alerts for small, medium and large vehicles, and see when a vehicle changes lanes, along with its threat level – when riding with the latest compatible Edge cycling computers or the Varia app on your smartphone.
GET ALERTS YOUR WAYFor visual and audible alerts while you ride, connect this radar to the Varia smartphone app, compatible Edge cycling computers or Garmin smartwatches. In addition to haptic alerts on your wrist, select Garmin smartwatches can also give voice alerts for approaching vehicles.
VARIETY OF LIGHT PATTERN OPTIONSRide with four different light patterns: day flash, night flash, solid mode and peloton mode, which helps preserve the eyes of riders behind you. Create your own custom light patterns in the Varia app on your smartphone.
COMPACT DESIGNA sleek, compact design and new seatpost mount means Varia RearVue 820 fits cleanly onto almost any road or gravel bicycle and is compatible with the Varia seat rail mount kit (sold separately).
1When riding with your compatible Edge cycling computer or the Varia app on your smartphone.2Same-speed tracking is limited or may be unavailable at slower speeds or when radar cannot detect the road (e.g., due to snow, ice, heavy rain, or other obstructions or incorrect device mounting).Engineering enhancements are ongoing and may not be reflected in the pictures, videos and specifications.Specs GeneralANT+yes (radar, bike lights)Dimension3.9″ x 1.0″ x 1.7″ (98.9 x 25.9 x 43.2 mm)Weight
3.2 oz (90 g)
Light modessolid, peloton, night flash, day flashCustom light mode configurationyes (with Varia Mobile App)Radar-only modeLumens25 solid, 8 peloton, 40 night flash, 100 day flashWater ratingIPX7Battery life
10 hours solid
15 hours peloton
10 hours night flash
24 hours day flash
30 hours radar-only
BLEyes (radar, bike lights)Viewing angle220°Visibility distance1.24 mi (2 km)Rear tail lightBrake lightRear radarLateral vehicle positioningVehicle size classificationVehicle threat classificationSpeed-, size- and lateral range-basedMaximum vehicle detection range175 metersRadar beam width60°ConnectivityVaria app compatibilityIn the Box
Varia RearVue 820 radar tail light
Mounting kit
Charging cable
Documentation
Accessories Apps
Cables & Chargers
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AppsCables & ChargersMountsCompatible Devices D2 Air X15D2 DeltaD2 Delta PXD2 Delta SDescent Mk1Descent Mk2Descent Mk2iDescent Mk2SDescent Mk3 – 43 mm