Smart thermostat provides uniform and comfortable temperature control throughtout every room in your property. With technology, craftsmanship and quality materials to offer you a safe, reliable thermostat combined with sleek, contemporary design.   Features: 51mm round display area helps to protect your eyes, touch screen to make simple operation.  Amazing silver frame opens your modern life, the visible thickness above the wall is only 11mm.  5+1+1 six periods programmable maximize comfort and economy, manual or programmable mode switchable.  0.5℃ accuracy keeps temperature within the level you set.  Data memory when power is off, no need to worry about power failure.  86mm hidden box and European 60mm round box is suitable.  Press and hold the buttons for 5s to lock/ unlock the thermostat, you can select full lock or half lock.   Specifications: Material: PC + ABS;  Color: White/ Black/ Silver (Optional);  Type: Wifi/ Non-wifi (Optional);  Voltage: AC 95-240V 50-60Hz;  Current Road: 3A;  Power Consumption: <1.5W;  Sensor: NTC3950, 10K;  Accuracy: ±0.5℃;  Set Temp. Range: 5-35℃;  Display Temp. Range: 5-99℃;  Ambient Temp.: 0-45℃;  Ambient Humidity: 5-95%RH (Non Condensing);  Storage Temp.: -5~45℃;  Timing Error: <1%;  Protection Class: IP20;  Installation Box: 86 * 86mm Square or European 60mm Round Box;  Wire Terminals: Wire 2 * 1.5mm2 or 1 * 2.5mm2;  Available Installation 1: Wall Mount;  Available Installation 2: Hole Distance of 62±5mm (Europe, China and Japan);  Available Installation 3: Hole Distance of 86±3mm (USA and Italy, etc.);  Item Size: 10.8 * 10.8 * 2.5cm / 4.25 * 4.25 * 0.98in;  Item Weight: 152g / 5.35oz;  Package Size: 14.7 * 14.5 * 4.1cm / 5.79 * 5.71 * 1.61in;  Package Weight: 252g / 8.87oz;   Package List: 1 * Thermostat;  1 * Set of Installation Accessory;  1 * Manual Manual