This digital floor heating thermostat uses the advanced microcomputer chip control and high precision sensor to control temperature of electric heating devices. Control motorized ball valve, motorized valve, thermal valve, solenoid valve, heater, electric heating film and electric heating carbon crystal. It's mainly used for floor heating. Features: Touch screen heating thermostat, easy to install and use and conveniently fits in with your life style.  Program it based on your schedule to cut your electricity bills. Flexible programmable periods: 5-2 day or 6-1 day.   In the state of shutdown, low temperature anti freezing function will auto on when it is lower than 5℃; and overheating protection will start when it is over 7℃ for protecting the floor. Manual mode and programmable mode can be selected with 3 meters external sensor. 6 Modes of programmable function for controlling temperature & time setting. Set in hours and minutes are available. Keypad locking function to prevent the kids from misusing. Memory function when power failure, protect your setting from power failure. Specifications: Color: Black / White (Optional) Material: Flame Retardant PC + ABS Input Frequency: 60Hz Input Voltage: AC 85-250V Temperature Sensor: NTC Thermometer   Temperature Control Accuracy: ±1℃ Power Consumption: ＜1W Load Current: 16A Key: Touch Control Temperature Setting: 5 to 50℃ Temperature Measurement Range: -9℃~99℃  Display: 71 * 40mm LCD Display Installation Hole Spacing: 60mm Suitable Wire Box Size: 86 * 86mm Item Size: Approx. 86 * 86 * 45mm / 3.4 * 3.4 * 1.77in Item Weight: Approx. 135g / 4.8oz Package Size: Approx. 10.4 * 10 * 8cm / 4.1 * 3.9 * 3.1in Package Weight: Approx. 277g / 9.8oz Packing List: 1 * Floor Heating Thermostat 1 * 3 Meters External Sensor Cable 2 * Mounting Screws 1 * User Manual(English&Russian) Note:  To install the thermostat, you need to prepare the junction box on the wall, the suitable size is 86*86mm. and the installation distance is 60mm.