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. Turn on the push button and then set the room temperature by turning the rotary knob. When the built-in air sensor detects that the room temperature reaches the preset level, the thermostat will automatically pause the heating. Features 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, ensuring the floor temperature does not exceed 50°C. LED indicator shows when the heating system is active. When the LED is lit, heating is in progress. 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. Ensures 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 use: Equipped with an on/off push button and rotary knob for simple temperature adjustment. Set desired temperature by turning the knob. LED indicator confirms system operation. Suitable for electric underfloor heating and other electric heating applications. Operation: 1. On/Off: Press the button to turn the system on or off. 2. Temperature setting: Turn the knob to set desired temperature. 3. Indicator: LED lights up during heating cycle. Electrical specifications: 220–240VAC, 16A, 50/60Hz. Temperature range: 5–40°C. Differential per temperature: 0.5°C. Simple installation and reliable performance for residential heating control.