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 has cycle timer, timer on, timer off, and timer on/off functions. Timing range: 0-99 hours 59 minutes, timing accuracy: 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. 4. Large LCD Display: The LCD screen clearly shows 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 displays 'E1', -40 to -45C shows as -40C 8. Short-circuit (or above 120C), first line of screen displays 'E2', 121-129C shows 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 in monitor displays, the image may not reflect the actual color of the item. 2. Please allow slight dimensional differences due to manual measurement variations. Thank you for your understanding.