Easy and safe to use, CE certified. This programmable underfloor heating thermostat features simple installation and compatibility with electric underfloor heating systems. It includes 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 options allows individual programming with up to 6 time period settings per day, providing precise control to help save energy and reduce costs. Two operation modes: In addition to the 5+2, 6+1, or 7-day program modes, this thermostat offers a manual mode to maintain a constant room temperature. Internal and external sensor selection: The thermostat includes a built-in air sensor and an external 3m temperature sensor probe. You can choose to use the internal sensor, the floor sensor, or both, depending on your requirements. 16A programmable electric floor heating thermostat with digital temperature probe. Designed to provide an energy-efficient and comfortable indoor environment, this thermostat is easy to install and user-friendly. It is suitable for controlling electric heaters or on/off valve actuators in hydronic underfloor heating systems. Features: - 2 modes: 5+2, 6+1, or 7-day flexible weekly programming and manual mode - Built-in air sensor for ambient temperature detection - External NTC 10K probe for floor temperature detection - Temperature calibration, reset function, child lock, freeze protection, and high/low temperature protection - All settings are retained during power loss