General description This Digital Thermostat Plug Socket Temperature Controller is designed for precise temperature management in various applications such as greenhouses, freezers, refrigerators, fermentation, and more. It features a plug-and-play design with a relay output, making it easy to use and program. The device can display temperatures in Celsius or Fahrenheit and supports temperature calibration for enhanced accuracy. Technical specifications Temperature control range: -40℃ to 120℃ / -72℉ to 176℉ Temperature control accuracy: ±1% Power supply: 100~250V AC 50/60Hz Output: Max 16A/230V Sensor probe length: 1.7m NTC 10K Usage The thermostat plug allows users to set a start and stop temperature, enabling it to operate in either heating or cooling mode based on the programmed settings. It also features a timing function with four modes: F01 for cycle timing, F02 for countdown ON, F03 for countdown OFF, and F04 for both countdown ON and OFF. The set range for timing is from 0 to