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: 4.8'' large colorful backlight LCD for easy reading, touch screen to make simple operation. Amazing silver frame opens your modern life, the visible thickness above the wall is only 15mm. 86mm hidden box and European 60mm round box is suitable. No limit to add thermostats in APP. Integrated with Amazon Echo, Google Home and Tmall Genie. Create thermostat group to centralized control and support device sharing. 1 accuracy keeps temperature within the level you set. 5+1+1 six periods programmable maximize comfort and economy, manual or programmable mode switchable. Weather, UV index, humidity display help you dicide what to wear today. Data memory when power is off, no need to worry about power failure. 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: Black / White / Silver (Optional) Type: Wifi/ Non-wifi (Optional) Voltage: AC 95-240V 50-60Hz Current Load: 5A Power Consumption:Sensor: NTC3950, 10K Accuracy: 1 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:Installation Box: 86 * 86mm Square or European 60mm Round Box Wire Terminals: Wire 2 * 1.5mm2 or 1 * 2.5mm2 Protection Class: IP20 APP: My BecaSmart Item Size: 12.7 * 4.0 * 8.8cm / 5 * 1.57 * 3.46in Item Weight: 236g / 8.31oz Package Size: 16.5 * 12.5 * 5.8cm / 6.50 * 4.92 * 2.28in Package Weight: 357g / 12.57oz Package List: 1 * Thermostat 2 * Screws 1 * Manual (English)