Easy and safe to use CE certified. With simple installation and compatibility with electric underfloor heating, this programmable underfloor heating thermostat features a large, easy-to-read LCD display with backlight. Power supply: AC 230V, 50/60Hz. Output: 16A. Flush mounting. Flexible Weekly Programming With 5/2 day, 6/1 day and 7 day programming that allows individual programming with up to 6 time period settings per day, you have the control you need to save money and energy. 2 modes to choose from In addition to the 5+2/6+1/7 day program mode, this thermostat of programmable electric underfloor heating also has a manual mode that allows you to keep your room at a constant temperature. Internal and external sensor selectionThis programmable thermostat has an air sensor built-in and an external 3m temperature sensor probe. You can choose to use an integrated sensor, a floor sensor or both sensors depending on your needs. 16A Programmable Electric Floor Heating Thermostat with Digital Probe Providing an energy efficient and comfortable living environment, this programmable thermostat floor heating is easy to install and convenient to use. It is recommended for the control of electric heaters or on/off value actuator used in hydronic underfloor heating. Features < p>2 modes: 5+2, 6+1 or 7 days Flexible weekly programming mode and manual mode Built-in air sensor for ambient temperature detection< /p> External NTC 10K probe for floor temperature detection Temperature calibration, Reset function, Child lock , Freeze protection, High/Low temperature protection All settings will be saved when power off.