Walmart sells these 3 heat setting fan forced heaters also. About the same price. Inside they are well built. Of course China made. Thermostat, tip over switch, over heat sensor, 1500 watt on high setting. The other 2 are approx 500 and 1000.
This is all we use in our DP.
Rarely use high setting.
2015 Fleetwood Discovery 40E on a Freightliner XCS chassis with a Cummins ISL9 pulling 1 and/or 2 motorcycles, '07 Honda Accord OR a 17' Runabout Boat.