Varia™ RTL515, Radar Tail Light

Available to ship within 1-3 business days. See and Be Seen, Day or Night   This rearview radar with tail light pairs with your Edge® bike computer or compatible smartphone to alert you of vehicles approaching from behind. Provides visual and audible alerts to warn of vehicles approaching from behind up to 153 yards (140 meters) away Tail light offers daylight visibility up to a mile away and is visible within a 220-degree range, so drivers can see you well before the radar sees the vehicle Sleek vertical design easily mounts to most road-use bicycles, including racing, touring and commuter styles Requires a dedicated radar display unit or wirelessly integrates with compatible Garmin devices (sold separately) Battery life: up to 16 hours in flashing mode or 6 hours in solid or night flash mode   Physical Specifications Dimensions: 3.9” x 0.8” x 1.6" (98.6 x 19.7 x 39.6 mm) Weight: 2.5 oz (71.0 g) Modes: solid, peloton, night flash, day flash  Lumens: 20 solid, 8 peloton, 29 night f