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 protection to ensure the floor surface does not exceed 50°C. LED indicator shows the heating status. When the LED is lit, 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, ensuring 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. 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. Suitable for electric underfloor heating systems and other resistive heating loads. Installation: Mount the thermostat on the wall following included instructions for optimal performance.