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 METRES 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

General

ANT+® Yes (radar, bike lights)
Dimension 98.9 x 25.9 x 43.2 mm (3.9” x 1” x 1.7")
Weight 90 g (3.2 oz)
Light modes Solid, peloton, night flash, day flash
Custom light mode configuration Yes (with Varia Mobile App)
Radar-only mode Yes
Lumens 25 solid, 8 peloton, 40 night flash, 100 day flash
Water rating IPX7
Battery life 10 hours solid
15 hours peloton
10 hours night flash
24 hours day flash
30 hours radar-only
BLE Yes (radar, bike lights)
Viewing angle 220°
Visibility distance 2 km
Rear tail light Yes
Brake light Yes
Rear radar Yes
Lateral vehicle positioning Yes
Vehicle size classification Yes
Vehicle threat classification Speed-, size- and lateral range-based
Maximum vehicle detection range 175 m
Radar beam width 60°

Connectivity

Varia™ app compatibility Yes

Security Information

Security updates until at least (YYYY-MM-DD) 2027-12-30