1,Simple Operation: The temperature controller is easy to operate, displaying PV and SV values when powered on, and press the SET button once to start modifying the SV value. 2,2 Control Methods: Supports on off control and PID control (without self tuning function), using 10A 250VAC relay output, with high accuracy and stable performance. 3,Heating and Cooling: If the temperature is lower than the set value, turn on the output to start heating If the temperature is higher than the set value, turn on the output to start cooling. 4,Alarm Functions: Equipped with over temperature and low temperature alarm, under voltage alarm, NTC disconnection alarm, timed mode and power saving mode functions. 5,Applicable Fields: This embedded temperature controller is used in warehouse, food industry, agricultural greenhouse, laboratory, freezer, daily heating equipment, textile printing, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store