Features: 1. Intelligent Temperature Control: Widely used in heating pads, homebrew beer, greenhouses, aquariums, aquaculture, and other applications. 2. Intelligent Timing: The plug timer thermostat socket includes cycle timer, timer on, timer off, and timer on/off functions. Timing range: 0-99 hours 59 minutes, with a timing accuracy of up to 10 minutes. 3. Intelligent Temperature Controller: By setting the start and stop temperatures, this plug-in thermostat outlet automatically switches between heating and cooling modes and controls connected equipment accordingly. 4. Large LCD Display: The LCD screen clearly displays temperature control mode, start temperature, and stop temperature. 5. Temperature Correction Function, Screen Lock Protection Function, Memory Function: All settings are saved after power is turned off. Specifications: 1. Voltage: 110-250 volts 2. Maximum load: 16A (2) 3680W 3. Temperature range: -40 to 120C 4. Accuracy: +/- 1% 5. Timing accuracy: up to 10 minutes 6. Temperature range: -40 to 120C 7. Open circuit (or below -40C): the first line of the screen blinks to show 'E1'; -40 to -45C displays as -40C 8. Short-circuit (or over 120C): first line of screen flashes 'E2'; 121-129C displays as 120C 9. Below -10C or above 100C: no decimal value is displayed 10. Cooling mode: start temperature > stop temperature 11. Heating mode: start temperature < stop temperature Package Includes: 1 x Thermostat Timer Socket with temperature sensor Notes: 1. Due to differences between monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension differences due to manual measurements. Thank you for your understanding.