• The Radar Tail Light transmitter (RTL 500) detects approaching vehicles from up to 140 meters (150 yards) behind and increases brightness as cars approach

  • -01 includes: Varia™ Radar Display Unit, radar tail light transmitter, stem mount, seat post mount, universal seat-post mount, micro USB cable -02 includes: Varia radar tail light transmitter, seat-post mount, universal seat-post mount, micro USB cable

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