Features: 1Control Hot Water System: Programmable digital thermostat can control the hot water system with touch buttons for easy operation. 2Backlit LCD Display Design: The backlit LCD display of digital thermostat shows data clearly and is easy to read even in the dark. 3Accuracy and Energy: 1C accuracy to keep the temperature within the level you set. An energy efficient thermostat can help reduce home energy costs. 4Programmable Thermostat: Programmable weekly and 5 plus 2 six cycle programmable very flexible to use. 5Data Storage and Lock Function: Data storage function when power is off; thermostat lock function. 6Acrylic Panel Function: The acrylic panel protects the LCD screen from bumps and finger scratches. Specification: Item Type: Heating Room ThermostatColor: WhiteShell Material: PC ABS (Flame Retardant)Display: LCD with BacklightSensor: NTC 10K 3950Power Supply: 95~240V AC 50~60HzCurrent Load: 3APower Consumption: <1.5WAccuracy: 1CTiming Error: <1%Set Temperature Range: 5~35CRoom Temperature Range: 5~99CAmbient Temperature: 0~45CAmbient Humidity: 5~95%RH (Non Condensing)Storage Temperature: -5~55CInstallation Hole Distance: Approx. 60mm/2.4inWeight: Approx. 206g / 7.3oz Package List: 1 x Smart Thermostat2 x Screw1 x English Manual Note: Please read the manual carefully before operation.