The Garmin Varia RTL515 Cycling Rearview Radar in now available on Amazon. The product can be purchase as a standalone or part of a bundle that comes with a tail light. If you are interested, you can buy either version with the following links from the online retailer:
- Garmin Varia RTL515 Cycling Rearview Radar
- Garmin Varia RTL515 Cycling Rearview Radar with Tail Light
The RTL515 can cover vehicles from behind at up to 153 yards (or 140 meters). It is can be used with a compatible Garmin Edge device or smartphone (via the Varia app). The tail light will provide visibility at up to 1 mile.
The radar has a battery life of 8 hours while the tail light as a battery life of up to 6 hours in solid mode or 16 hours in day flash mode.
You can see how the RTL515 stacks up against the RTL510 with this comparison guide.