Product Type: Digital Thermostat Temperature Controller Socket Outlet Timer Switch Sensor for Heating and Cooling 16A 220V Function: 1. The external sensor detects temperature and humidity of the surrounding environment. 2. Set start and stop temperatures; the device automatically turns on when the target temperature is reached. 3. Supports cycle timing, start and stop time settings, and timer switch functionality. 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 at 230V), 15A (1800W at 120V for US type) Temperature Range: -40°C to 120°C Accuracy: +/- 1% Timing Accuracy: Maximum deviation of 10 minutes Material: Metal, ABS Package Includes: 1 x Socket (with sensor) 1 x Instruction Manual