1、EASY TO USE: Easy to operate, the PV value and SV value are displayed as soon as the power is turned on. Simply press the SET button once to modify the SV value. It is user friendly and can be used with just a few simple steps. 2、2 CONTROL MODES: On off control and PID control (without self tuning function). It offers flexibility in choosing the appropriate control mode for different applications. 3、OPTIONAL HEATING OR COOLING MODE: The heating mode activates when the temperature is below the set value, opening the output to start heating. The cooling mode activates when the temperature is above the set value, opening the output to start cooling. 4、TEMPERATURE ALARM AND PROTECTION: Thermostat module provides temperature alarms for both high and low temperatures, as well as alarms for undervoltage and NTC breakage. Additionally, it has a single alarm signal output for easy monitoring. 5、TIMER MODE AND POWER SAVING MODE: The temperature controller features a timer mode function for setting specific time intervals, allowing for customized temperature control. The power saving mode helps conserve energy when the controller is not in use. 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-Dadangjia