Usage Tips: 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; device automatically turns on or off when target temperature is reached. 3. Supports cycle timing, start/stop time settings, and timer switch functions. Widely used in intelligent temperature and humidity control applications such as radiant heating, aquaculture, greenhouses, and home environments. Technical Parameters: Voltage: 230V AC 50Hz Max Load: 16A (3680W) 230V; 15A (1800W) 120V for US version Temperature Range: -40C to 120C Accuracy: +/- 1% Timing Accuracy: Up to 10 minutes Material: Metal, ABS Package Includes: 1 x Socket (with sensor) 1 x Instruction Manual