Hot LILYTECH ZL-R200A,Universal,Air Source Heat Pump Water Heater Controller, Pump Air To Hot Water Heating Controller Auxiliary heating function, Water flowing warning. Pump management ventilation, Antifreeze function. Action failure sensor, Auto Defrost function. Automatic restart function,Temperature depletion. Compressor put off and stress protection. Material:plastic colour:White,black,red Package Contents: 1 set of water heater controller 1 * Accessories Only the above kit content, different merchandise aren't included. Note: Light reflection and assorted displays can cause the color of the thing within the photo somewhat diversified from the real thing. The dimension allowed error is +/- 1-3cm.