Features: 1LCD Touch Screen: LCD display with backlight shows data clearly and is easy to read even in the dark premium thermostat controls hot water system with touch buttons for easy operation. 2Programming Mode: Weekly programmable and 5 and 2 6 cycle programmable to improve the degree and economy very flexible. 3High Accuracy: Accurate to 1C accuracy this thermostat keeps the temperature within the level you set adjusting as your needs. 4Data Storage Function: Data storage function when the power is turned off thermostat lock function can keep usage and adjustment records. 5Acrylic Panel: The acrylic panel preserves the LCD screen from bumps and finger scratches to ensure long term use wear resistant and durable. Specification: Item Type: Water Heating ThermostatShell Material: PC ABS(flame retardant)Gross Weight: 209g / 7.4ozColor: BlackDisplay: LCD with backlightSensor: NTC 10K 3950Current Load: 5APower Consumption: <1.5 WAccuracy: 0.5CTiming Error: <1%Set Temperature Range: 5~35CRoom Temperature Range: 5~99CAmbient Temperature: 0~45CAmbient Humidity: 5~95% RH (non condensing)Storage Temperature: -5~55CMounting Hole Distance: Approx.60mm / 2.4in Package List: 1 x Smart Thermostat2 x Screw1 x English Manual Note: Please read the manual carefully before operation