I know the best kind are the ones which would be wired into the system, but saw this today and wondered if it would be any good. Is this a "better than nothing" or "you get what you pay for" situation...
I have the PI HW30C. Great peace of mind and I like the remote display. The unit was easy to wire into the system, there are plenty of you tube videos if you need help. My seasonal campground had a partial brown out this weekend, it was good to know that I could read the display and see I had nothing to worry about. Apparently it was something down he road as the electric company made several passes down the road for a few hours.