It is called Garmin Varia RVR315.
It offers the cyclists the ability to know about what exists behind them without looking back.
It is equipped with the technology that scans the scene behind the rider. The crescendo of the engines, the whisper of a hybrid car and the silent swoosh of electric vehicles.
It is paired with a display. The Garmin Edge or the Varia app on a smartphone.
Its battery lasts 7 hours, it is water proof and it has day and night mode.
[Source: www.ts2.pl]

