XUEMEI flush mount manual room thermostat provides automatic on/off control for electric underfloor heating systems and other electrical heating elements. Temperature control range: 5–40°C. Output: Max 16A. CE certified, safe and easy to use. Press the push button to turn on and set the desired room temperature using the rotary knob. When the built-in air sensor detects that the room temperature reaches the preset level, the thermostat automatically pauses heating. Equipped with a built-in room sensor and a 3m NTC external floor probe. The built-in sensor measures room temperature, while the external probe monitors floor temperature to prevent overheating, ensuring the maximum floor temperature does not exceed 50°C. Features an LED indicator to show system status. The LED lights up when the heating is active, allowing easy monitoring of the underfloor heating operation. Specifications: Power supply: AC230V 50/60Hz; Power consumption: 5W; Temperature limit range: 25–55°C; Protection rating: IP20. Package includes: 1 x Thermostat, 1 x 3m floor sensor, 2 x Mounting screws, 1 x User manual in English. Safe, energy-saving, and high-performance design. Wall-mounted installation for indoor use. Ensure the thermostat is mounted on a wall with free air circulation around it. Avoid placement near heat sources, direct sunlight, drafts from doors or windows, or outer walls that may affect temperature readings. Simple operation: 1. "I": On; "O": Off 2. Temperature setting: Turn the rotary knob to the desired temperature 3. Indicator: LED turns on during heating Suitable for electric underfloor heating and other resistive heating loads. Installation note: Mount the unit on the wall with adequate airflow and away from external influences such as sunlight, drafts, or adjacent heat sources.