replaced suburban metal spring unit in our RV camper trailer. much nicer. keeps temps flatter, as opposed to 5 degrees low / 5 degrees high with old-school non-digital unit. its a 2-wire battery operated thermostat, so its perfect for 12v non-powered campers. does have a lead for power but doesnt have to be used, can run on AA batteries.
Rating:
[5 of 5 Stars!]