①. DIES certified. Easy to install and compatible with electric underfloor heating systems, this programmable underfloor heating thermostat has a large, easy-to-use LCD display with backlit reading. Power supply: AC 230 V, 50/60 Hz. Output: 16 A. Flush mounting. With 5/2 day, 6/1 day and 7 day programs that allow for individual programming up to 6 period settings per day, you have the control you need to save money and energy. ②. In addition to the 5+2/6+1/7 day program modes, this programmable electric floor heating thermostat also has a manual programming mode, allowing you to maintain a constant temperature in your room. ③. This programmable thermostat has a built-in air sensor and a 3m long external temperature sensor probe. You can use the built-in sensor, ground sensor or both sensors according to your needs. It includes functions such as temperature calibration, safety protection, frost protection, high-low temperature protection, power off data backup, and reset. ④. Packing: 1 programmable thermostat, 1 3m external temperature sensor, 1 manual. Specification: Power supply: 230V AC ± 10%; Power consumption: 2W; Regulation range: 5℃ ~ 95℃; Output: Max. 16A 3500W; Limit range: 5℃ - 60℃; Feedback: 0.5℃~10℃ (factory setting: 1℃). ⑤. This underfloor heating helps create an energy-saving and comfortable environment by heating the floor. The programmable thermostat is easy to install and convenient to use. It is recommended for controlling electric radiators or for use with on/off value controllers, such as in hot water floor heating systems. ⑥. Features: 2 modes: 5+2, 6+1 or flexible 7-day programming mode weekly and manual mode; Integrated air sensor to detect room temperature; External NTC 10K sensor to detect floor temperature; Temperature calibration, reset function, safety protection, frost protection, high/low temperature protection; All settings are saved when turned off.