LEIGAO Flush Mount Thermostat, this manual room thermostat is designed to provide automatic on/off control for electric underfloor heating systems and other electrical heating elements. Temperature control range: 5°C to 40°C. Output: Max 16A. CE certified, safe and easy to use. Turn on the push button and then set the desired room temperature by turning the rotary knob. When the built-in air sensor detects that the room temperature reaches the preset level, the thermostat will automatically pause the heating. Equipped with a built-in sensor and a 3m NTC external floor probe. The built-in sensor measures room temperature, while the external probe provides floor temperature monitoring to prevent overheating, ensuring the floor temperature does not exceed 50°C. LED indicator shows when the heating system is active. When the LED is on, heating is in progress. Specifications: Power supply: AC 230V 50/60Hz; Power consumption: 5W; Floor sensor temperature limit range: 25°C to 55°C; Protection rating: IP20. Package includes: 1 x Thermostat, 1 x 3m floor sensor, 2 x Mounting screws, 1 x English user manual. Safe, energy-saving, and high-performance design. Wall-mounted installation for indoor use. Ensure the thermostat is installed in a location with free air circulation, away from direct heat sources (such as sunlight), drafts from doors or windows, and external wall temperature influences. Easy to use: On/Off push button and rotary knob for simple temperature adjustment. Set the temperature by turning the knob to the desired value. LED indicator confirms system operation. Suitable for electric underfloor heating systems and other resistive heating applications. Operation: 1. On/Off: Press the button to turn the system on (I) or off (O). 2. Temperature setting: Turn the rotary knob to set the desired temperature between 5°C and 40°C. 3. LED indicator: Lights up when the heating output is active.