A Temperature Controller is a device that is used to control a heater or other equipment by comparing a sensor signal with a set point and performing calculations according to the deviation between those values. Specifications: Power supply:  AC 110-220V,50/60Hz Measurement temperature range: -20 ° C ~ +80 ° C Measuring humidity range: 00%RH～+100%RH Accuracy: ±1°C 0.1%RH Relay output contact capacity: 10A Integrated sensor, line length 1 meter Shell material: gray ABS flame retardant plastic shell Net weight 120g Gross weight 140g china copy Package Include: 1 x Temperature Controller