If you don't want to constantly look in the rearview mirror to see the traffic approaching from behind, then with the Garmin Varia 315 a compact radar detector that does just that.
It can be paired with Edge® cycling computers, Garmin watches, a compatible smartphone, or other cycling computers like the Wahoo Ace via Bluetooth. Feedback is provided visually or acoustically on the display. The Varia 315 cannot be integrated into the Omni.
Apple Watch: With the iOS app ARadar (CHF 6.-) messages can be received audibly and haptically on an Apple Watch.
