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Amazon.com: Garmin Varia RTL515, Cycling Rearview Radar with Tail Light, Visual and Audible Alerts for Vehicles Up to 153 Yards Away, 010-02376-00, One Size : Electronics
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Amazon.com: Garmin Varia RTL510, Bike/Cycling Radar Tail Light, Alerts for Rear-Approaching Vehicles : Everything Else
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