Power  supply:200V-240V  AC  or  100V-130V  AC50-60Hz.  .
Power  consumption:  < 3W
Accuracy of temperature measuring: ± 2oC
Range of collector temperature measuring: -10 ~200oC
Range of tank temperature measuring: 0 ~110oC
Suitable power of pump: 2 pumps possible to be connected power of each pump < 200W .
Inputs: 3 sensors