1、TIMING FUNCTION: The temperature control socket has the functions of timing on and timing off, just plug it in and select the heating or cooling system to work. 2、SIMULTANEOUS CONNECTION: This temperature control socket can be connected to both cooling and heating systems. The heating and cooling differential functions can be set independently for cooling and heating, allowing temperature control in the event of significant changes. 3、TEMPERATURE ALERT: If the temperature exceeds the temperature limit or a sensor error occurs, the outlet will alert you with an alarm, so you can use it with confidence. 4、PRECISE CONTROL: This digital temperature controller allows you to precisely control the room temperature with accurate LCD display and small temperature control error. 5、EASY INSTALLATION: The socket can be used directly after installation, you can install it in aquariums, greenhouses and other places.