DC 12V Temperature Controller, DROK Thermostat High Accuracy -15~70 (5-158) Heating Cooling Temp Control Regulator with 1 Meter Temperature Sensor Probe for Appliances Chassis DROK temperature controller power supply is 12v, output current is 5A(max), power is 1kW(max). Temperature control range: -15~70 (5-158) High accuracy: Its control accuracy is 0.1, setting accuracy is 5 Easy to use: Connect power to input(red +, black -) and load to output, put probe to where you need, can set the temperature referring to the attached picture "temperature control setting". Indicators: Input indicator ON when you connect power supply correctly, output indicator ON when it has output.