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Garmin Varia RTL510 Radar Tail Light

Josh Matthew April 3, 2020


Ride smarter and be safer with the Varia RTL510 Radar Tail Light!

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Garmin Varia RTL510 Radar Tail Light

If you want to ride smarter and be safer, the Garmin Varia RTL510 Radar Tail Light has your back! Mounted neatly on the seatpost, the Varia RTL510 performs double duty, acting as a taillight and as a sensor for vehicles approaching from behind.

The bright tail light offers daylight visibility up to a mile away. In addition, it is visible within a 220-degree range, so drivers can see you well before the radar sees the vehicle. The Varia RTL510 also provides visual and audible alerts to warn of vehicles approaching from behind up to 153 yards (140 meters) away.

The battery life is up to 15 hours in flashing mode or 6 hours in solid or night flash mode.



The radar functionality requires the use of either a Garmin or Wahoo device or the radar display unit which is included in the Bundle version.


Garmin Varia RTL510 Radar Specs

  • Dimensions: 3.9” x 0.8” x 1.6″ (98.6 x 19.7 x 39.6 mm)
  • Weight: 2.5 oz. (71.0 grams)
  • Modes: solid, night flash, day flash
  • Lumens: 20 solid, 29 night flash, 65 day flash
  • Battery life: 6 hours solid, 6 hours night flash, 15 hours day flash
  • ANT+: Yes
  • Water rating: IPX7
  • Viewing angle: 220°


In the Box – Base

  • Varia RTL510
  • Mounting Kit
  • Cables
  • Documentation


In the Box – Bundle

  • Varia RTL510
  • Radar display unit
  • Mounting Kit
  • Cables
  • Documentation



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