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 adjust 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 sensor and a 3m NTC external floor probe. The built-in sensor measures room temperature, while the external probe provides floor temperature protection, ensuring the maximum floor temperature does not exceed 50°C. Features an LED indicator to show the heating status. When the LED is illuminated, the system is actively 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 use 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. Simple operation: 1. Push button: "I" for on, "O" for off. 2. Temperature setting: Turn the knob to the desired temperature. 3. Indicator: LED lights up during heating. Suitable for electric underfloor heating and other electric heating systems.