Just plug your heater into the red outlet and your cooling fans or chiller into the blue outlet, drop the temp sensor in the tank or sump and plug it in. Built in U.S.A. (Please check feedback on these. 100% satisfaction)

Much more accurate than the heater controls and you don't have to turn your cooling fans on and off manually anymore. Fahrenheit/Celsius

Technical Parameter:

Temperature Measuring Range: -50～210 ^oF / -50 ^oC-99 ^oC   

Resolution: 0.1 ^oF / 0.1 ^oC

Accuracy: ±1 ^oF（-50 ^oF -160 ^oF）/ ±1 ^oC（-50 ^oC -70 ^oC）

Power Supply: 110VAC 50Hz/60Hz

Power Consumption: <3W

Sensor: NTC Sensor

Relay Contact Capacity: Cooling (15A/250VAC)/ Heating (15A/250VAC);

Panel Instruction: