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. ②. Power supply: AC 230 V, 50/60 Hz. Output: 16 A. Flush mounting. ③. 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. ④. In addition to the 5+2/6+1/7 days program mode, this programmable electric floor heating thermostat also has a manual programming mode, allowing you to maintain a constant temperature in your room. ⑤. 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. ⑥. Temperature calibration, safety protection, frost protection, high-low temperature protection, power off data backup, reset, etc. ⑦. Packing: 1 programmable thermostat, 1 3m external temperature sensor, 1 manual. ⑧. 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℃). ⑨. This underfloor heating heats the floor. The programmable thermostat is easy to install and convenient to use. It is recommended to control electric radiators or use on/off value controllers, such as hot water floor heating. ⑩. 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.