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 set point, 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 to ensure the floor surface temperature does not exceed 50°C. Features an LED indicator to show the system status. When the LED is illuminated, the heating system is active. 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. 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 performance. Simple operation: 1. Press “I” to turn on; “O” to turn off. 2. Set temperature by turning the rotary knob to the desired value. 3. LED indicator lights up during heating operation. Suitable for electric underfloor heating systems and other resistive heating loads. Safe, energy-efficient, and reliable performance.