LEIGAO Flush Mount Thermostat, 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: 5C to 40C. Output: Max 16A. CE certified, safe and easy to use. Turn on the push button and then set the desired 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 temperature protection to prevent the floor surface from exceeding 50C. LED indicator shows when the heating system is active. When the LED is on, heating is in progress.Specifications: Power supply: AC 230V 50/60Hz; Power consumption: 5W; Temperature limit range: 25C to 55C; Degree of protection: 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 (e.g., direct sunlight), drafts from doors or windows, or external walls that may affect temperature readings.Easy to use: On/Off push button and rotary knob for simple temperature adjustment. Turn the knob to set the desired temperature. LED indicator confirms system operation.Compatible with electric underfloor heating and other resistive heating systems.Voltage: 220240V AC, 16A, 50/60Hz. Temperature range: 5C to 40C. Differential per temperature: 0.5C.Simple operation: 1. Push button: I = On, O = Off. 2. Temperature setting: Turn the knob to desired value. 3. Indicator: LED lights up during heating cycle.