Smart Temperature Controller: Temperature range: -40 - 120 ℃, temperature control accuracy: ±1%. The temperature controller outlet can automatically switch between heating and cooling modes, controlling heating/cooling by setting the start and stop temperatures. Multiple Functions: The LCD screen displays the temperature control mode and 4 timer modes F01-F04. Features temperature correction, screen lock protection, and a memory function (all current settings are saved after a power outage). Intelligent Time Control: This thermostat outlet detects temperature, sets on/off temperatures, and offers cycle timing control, on-time, off-time, and time switching functions. Time accuracy: up to 10 minutes. Maximum load: 16A (2), 3680W. Versatile Applications: This digital temperature controller outlet intelligently manages temperature and time. Widely used in home wall heating and other applications in greenhouses, aquariums, carbon crystal heaters, thermostat switches, mobile air conditioners, and intelligent aquaculture control. 13.5 * 8.5 * 6.5cm