Easy and safe to use, CE certified. With simple installation and compatibility with electric underfloor heating, this programmable thermostat features a large, easy-to-read backlit LCD display. Power Supply: AC 230V, 50/60Hz. Power: 16A. Recessed mounting. Flexible Weekly Programming: With 5/2 day, 6/1 day, and 7-day programming options, allowing for individual programming with up to 6 time periods per day, you have the control you need to save money and energy. 2 Modes to Choose From: In addition to 5+2/6+1/7 day program mode, this programmable electric underfloor heating thermostat also has a manual mode that allows you to keep the room at a constant temperature. Choice of Internal and External Sensor: This programmable thermostat has a built-in air sensor and an external 3m temperature sensor. You can choose to use an integrated sensor, a floor sensor, or both sensors depending on your needs. 16A Programmable Electric Underfloor Heating Thermostat with Digital Probe. This programmable underfloor heating thermostat provides an energy-efficient and comfortable living environment, is easy to install, and convenient to use. It is recommended for controlling electric heaters or on/off actuators used in hydronic underfloor heating. Features: 2 Modes: 5+2, 6+1, or 7-day flexible weekly programming mode and manual mode. Built-in air sensor for room temperature detection. External NTC 10K probe for floor temperature detection. Temperature calibration, Reset function, Child lock, Frost protection, High/low temperature protection. All settings are saved when power is turned off.