1. It is a product of wireless signal transmission (not wifi,and not bluetooth) ,wiring and mounting is very simple, you can install it yourself to save your time and installation costs.
2. Adopt the digital signal for transmission, the signal is more stable and has a strong anti-interference.
3. You can freely choose the mode you need. It is very convenient.
Claim code:AUTOVOXTD201
https://www.amazon.com/dp/B07DNNBYJ7