General concept: Install a "Monitor" inside the RV (probably on the dash) and install 2 or 3 "Sensors" outside but attached to the vehicle.
Found this reasonably priced "Indoor/Outdoor Wireless Thermometer and Hygrometer" at local discount store.- digital C or F display of current, Max and Min
- 3 channel support
- 30M transmit range
Labeled: "National Geographic".
Install sensor #2 first, as it is easier.Find a suitable location underhood.
Clean surface well, attach using double-sided tape.
Location chosen was out of the path of heated engine air.
