XUEMEI flush mount, 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: 5–40°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 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 floor temperature does not exceed 50°C. LED indicator shows when the heating system is active. A lit LED indicates that the system is heating. 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 English user manual. Safe, energy-saving, and high performance. Wall-mounted design for indoor installation with free air circulation around the unit. Avoid placement near heat sources, direct sunlight, drafts from doors or windows, or exterior walls that may affect temperature readings. Easy to operate: On/Off push button and rotary knob for precise temperature control. Voltage: 220–240VAC 16A 50/60Hz Temperature range: 5–40°C Differential per temperature: 0.5°C Operation: 1. Push button: "I" for on, "O" for off 2. Temperature setting: Turn the knob to desired temperature 3. Indicator: LED lights up during heating cycle Suitable for electric underfloor heating systems and other resistive heating loads. Installation: Mount the thermostat on an interior wall with adequate airflow and away from external influences that could affect performance.