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: 540C. 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 has reached the preset level, the thermostat will automatically pause 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 overheat protection by ensuring the floor temperature does not exceed 50C. LED indicator shows the operating status. When the LED is illuminated, the heating system is active. Specifications: Power supply: AC230V 50/60Hz; Power consumption: 5W; Floor sensor temperature limit range: 2555C; Protection rating: IP20. Package includes: 1 x Thermostat, 1 x 3m floor sensor, 2 x Mounting screws, 1 x English user manual. Safe, energy efficient, and high performance. Wall-mounted design for indoor use, ensuring free air circulation around the unit. Avoid installation 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 rotary knob to the desired temperature 3. LED indicator: Lights up during heating cycle Suitable for electric underfloor heating systems and other resistive heating loads. Installation must comply with local electrical codes.