Product Type: Digital Thermostat Temperature Controller Socket Outlet Timer Switch Sensor for Heating and Cooling 16A 220V Function: 1. The external sensor detects the temperature and humidity of the surrounding environment. 2. Set the start and stop temperatures; the device automatically turns on or off when the target temperature is reached. 3. Supports cycle timing, start and stop time settings, and timer switch functions. Widely used in temperature and humidity control applications such as radiant heating, aquaculture, greenhouses, and home environments. Technical Parameters: Voltage: 230V AC 50Hz Max Load: 16A (3680W), 120V 15A for US version Temperature Range: -40°C to 120°C Accuracy: +/- 1% Timing Accuracy: Maximum deviation of 10 minutes per 24 hours Material: Metal, ABS Package Includes: 1 x Socket (with sensor) 1 x Instruction Manual