The Radar functionality is the star feature of this impressive bit of tech
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Garmin Varia RCT715 radar camera rear light review - BikeRadar
Review: Garmin Varia RCT715
Garmin Varia RCT715 Camera + Radar In-Depth Review
See and record what's behind you with a built-in camera that saves footage automatically if it detects an incident Capture sharp, clear video in 1080p
Garmin Varia™ RCT715, Bicycle Radar with Camera and Tail Light, Continuous Recording, Vehicle Detection
Garmin Varia RCT715: Tested and Reviewed!
Garmin Varia RCT715 Camera with Tail Light
First Impressions: Garmin Varia RCT715 radar with camera - Bikerumor
Review: Garmin Varia RCT715
Not Worth It - Garmin Varia RCT715 Reviewbut..
First look: Garmin Varia RCT715 rear-view radar, camera and tail light - Canadian Cycling Magazine
Review: Garmin Varia RCT715