Varia™ RearVue 820 is a bike radar & tail light with vehicle size & vehicle threat level detection, & brake light alerts to let others know you’re stopping.
General
ANT+®
yes (radar, bike lights)
Dimension
3.9” x 1.0” x 1.7" (98.9 x 25.9 x 43.2 mm)
Weight
3.2 oz (90 g)
Light modes
solid, peloton, night flash, day flash
Custom light mode configuration
yes (with Varia Mobile App)
Radar-only mode
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
