【Digital Thermostat Contact】Maximum Load: 16A/230V, 3680W. Easy to use—simply plug in and select mode, then set parameters, and it works automatically. No cable pulling required, with an exact LCD display. 【Heating and Cooling Mode】The thermostat contact can set start and stop temperatures to control heating/cooling mode. It will activate the heater or cooler as set. Temperature control range: -40°C to 120°C; temperature control accuracy: ±1%. If start temperature > stop temperature, cooling mode starts; if start temperature < stop temperature, heating mode starts. 【Multiple Functions】The LCD screen displays temperature control mode and 4 time settings (F01-F04). With temperature adjustment function, screen lock function, and memory function (all current settings are saved after power loss). 【Time Settings Function】The thermostat has 4 modes (F01-F04). F01: cyclic timer mode; F02: countdown on mode; F03: countdown off mode; F04: time setting mode. Time interval: 0-99 hours 59 minutes. Time accuracy: up to 10 minutes.