Auxiliary heating function, Water flowing warning.Pump control ventilation, Antifreeze function.Action failure sensor, Auto Defrost function.Automatic restart function,Temperature depletion.Compressor delay and pressure protection.Material:plasticcolour:White,black,redPackage Contents:2 x set of water heater controller2 x AccessoriesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
