Digital Thermostat PlugMaximum load: 16A/230V, 3680W.. Easy to use, just plug it in and select mode, and set parameters, then it works, no wring, with precise LCD display. Heating Cooling ModeThe thermostat plug can be set start and stop temperature to control the heating/cooling mode, it will control the heater or cooler to work as setted. Temperature control range:-40~120, temperature control accuracy: 1%. Start temperature stop temperature, cooling mode starts; start temperature stop temperature, heating mode starts. Multiple FunctionsThe LCD screen can display temperature control mode and 4 timing modes F01-F04. And with temperature correction function, screen lock protection function, memory function (all current settings are saved after power off). Timing FunctionPlug in thermostat has F01-F04 4 modes. F01 cycle timing control mode, F02 countdown on mode, F03 countdown off mode, and F04 timing switching mode. Timing range: 0-99 hours 59 minutes. Timing accuracy: Up to 10 minutes.