Garmin Varia RearVue 820 Bike Radar w/ Tail Light

Type: Rear-facing bike radar with tail light and brake light
Dimensions: 98.9 x 25.9 x 43.2 mm (3.9″ x 1.0″ x 1.7″)
Weight: 90 g
Water Rating: IPX7
Light Modes: Solid, peloton, night flash, day flash; custom light mode configuration via Varia app; radar-only mode
Lumens: 25 solid, 8 peloton, 40 night flash, 100 day flash
Visibility Distance: 1.24 mi (2 km)
Battery Life: 10 h solid, 15 h peloton, 10 h night flash, 24 h day flash, 30 h radar-only
Radar: Maximum vehicle detection range 175 m; radar beam width 60°; viewing angle 220°
Radar Features: Lateral vehicle positioning, vehicle size classification, vehicle threat classification (speed-, size- and lateral range-based)
Connectivity: ANT+ (radar, bike lights), Bluetooth Low Energy (radar, bike lights); Varia app compatible
In the Box: Varia RearVue 820 radar tail light, mounting kit, charging cable, documentation