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Garmin Varia RCT715 Rearview Radar with Camera FAQ

Garmin Varia RCT715 Rearview Radar with Camera — Frequently Asked Questions

Everything you need to know about the Garmin Varia RCT715, the rearview radar taillight with integrated camera, available in Singapore from Bikers.SG with local stock and warranty support.

What is the Garmin Varia RCT715?

The Garmin Varia RCT715 is a rear-facing cycling safety device that combines a radar, a taillight, and a camera in one unit. It detects vehicles approaching from behind at up to 140 metres, alerts you via a compatible Garmin head unit or smartphone, and simultaneously records video footage of your ride for evidence in the event of an incident.

What are the key features of the Garmin Varia RCT715?

  • Radar detection of approaching vehicles up to 140 metres away
  • Integrated 1080p rear-facing camera with wide-angle lens
  • Continuous loop video recording with incident detection auto-save
  • Taillight with up to 65 lumens visible up to 1 kilometre away
  • ANT+ and Bluetooth connectivity to compatible Garmin head units and smartphones
  • Compatible with Garmin Edge 550, Edge 850, Edge 1050, and other Garmin devices
  • Varia app for iOS and Android for standalone use without a head unit
  • Up to 4 hours battery life in radar + camera + taillight mode
  • IPX7 waterproof rating

How does the Garmin Varia RCT715 radar work?

The RCT715 uses radar technology to detect motor vehicles approaching from behind at distances of up to 140 metres. When a vehicle is detected, an alert appears on your paired Garmin head unit or Varia app, giving you advance warning to prepare for the vehicle’s pass. The alert updates in real time as the vehicle approaches and passes.

What head units is the Garmin Varia RCT715 compatible with?

The RCT715 is compatible with Garmin Edge cycling computers that support Varia radar, including the Edge 550, Edge 850, and Edge 1050. It also works with the Varia app on iOS and Android smartphones for use without a dedicated head unit. Check Garmin’s official compatibility list for the full range of supported devices.

Does the Garmin Varia RCT715 record video?

Yes. The RCT715 records continuous 1080p video in a loop. When an incident is detected — either automatically via the accelerometer or manually triggered — the footage is saved and protected from being overwritten. Video is stored on a microSD card (not included; supports up to 64GB).

Does the Garmin Varia RCT715 require a microSD card?

Yes. A microSD card is required for video recording and is not included in the box. The RCT715 supports microSD cards up to 64GB. Without a card inserted, the radar and taillight functions still work, but video recording is disabled.

What is the battery life of the Garmin Varia RCT715?

Battery life depends on the mode used:

  • Radar + camera + taillight (solid): up to 4 hours
  • Radar + taillight only (no camera): up to 8 hours
  • Taillight only: up to 16 hours

Battery life varies with light mode settings and environmental conditions.

Is the Garmin Varia RCT715 waterproof?

Yes. The RCT715 is rated IPX7, meaning it is protected against immersion in water up to 1 metre for up to 30 minutes. It is suitable for riding in rain and wet conditions.

How do I mount the Garmin Varia RCT715?

The RCT715 mounts to your seatpost using the included mount. It supports standard round seatposts and is compatible with aero seatposts using an optional adapter. The camera must face directly rearward for optimal radar and video performance. Garmin also offers a seat rail mount kit (sold separately) for bikes where seatpost mounting is not possible.

Can I use the Garmin Varia RCT715 without a Garmin head unit?

Yes. The Varia app (free on iOS and Android) allows you to use the RCT715 as a standalone device paired to your smartphone. The app displays radar alerts and allows you to review recorded video footage.

How do I pair the Garmin Varia RCT715 to my Garmin Edge?

  1. Power on the RCT715 by pressing and holding the power button.
  2. On your Garmin Edge, go to Settings > Sensors > Add Sensor.
  3. Select Lights or Radar from the sensor type list.
  4. The Edge will scan and detect the RCT715 — select it to pair.
  5. Once paired, radar alerts will appear on your Edge screen during rides.

What is the difference between the Garmin Varia RCT715 and the Varia RearVue 820?

The RCT715 combines radar, taillight, and a rear-facing camera in one unit. The RearVue 820 is radar and taillight only — it does not record video. The RCT715 is the better choice if you want incident recording capability. The RearVue 820 is lighter and offers longer battery life if video recording is not a priority.

Is the Garmin Varia RCT715 available in Singapore?

Yes. The Garmin Varia RCT715 is available from Bikers.SG with Singapore-ready local stock. We offer island-wide delivery and local pickup. All units sold by Bikers.SG come with Singapore warranty support.

What warranty does the Garmin Varia RCT715 come with when purchased from Bikers.SG?

The Garmin Varia RCT715 purchased from Bikers.SG comes with the standard Garmin manufacturer warranty. For warranty claims and after-sales support, contact us directly at Bikers.SG and we will assist you with the process.

Who should I contact for support after purchasing from Bikers.SG?

For any product questions, setup assistance, or after-sales support, contact us via the Bikers.SG contact page. We are based in Singapore and provide local support for all products we sell.