.
If buying Surge Guard "hard wired" product, it can be installed like
- click here - As seen, the Surge Guard product uses LED lights (new models use LED numbers) and its installed in a position that cannot be seen from inside the RV. Thus, a digital volt meter can be bought / plugged inside the RV. Thus, showing current Volts. For example from ebay
- click here - Add the price of both above products and its same cost as buying / installing Progressive brand with its own Remote Display. And, Progressive allows low volt bi-pass. A great feature that Surge Guard doesn't offer. For more details, surf:
- click here - Next time, I'd buy the Progressive "hard wired" model - in either 30A or 50A version.
Hope this helps.