4.8 inch large LCD color backlit LCD brushed stainless steel surface, touch screen makes operation simple. The stunning silver frame opens up your modern life, and the wall surface is only 15mm thick. 86mm cassette and 60mm European round box are more suitable. There are no restrictions on adding a thermostat in the app. Integration with Amazon Echo, Google Home, and Tmall Genie. Create thermostat groups for centralized control and device sharing support. The 5+1+1 six programmable cycles maximize comfort and economy, switching between programmable or manual modes. The weather, UV index, humidity display helps you decide what to wear today. Power failure data memory, no need to worry about power failure. Long press the button 5S to lock/unlock the thermostat, you can choose full lock or half lock. Type: WiFi Voltage: AC 95-240V 50-60Hz Current load: 5A power supply Consumption: Less than 1.5W Sensor: NTC3950, 10k Accuracy: ± 1 °C or ± 1 °F set temperature. Range: 5-35°C Temperature display. Range: 5-99°C Ambient temperature. : 0-45℃ Ambient humidity: 5-95% RH (non-condensing) storage temperature. :-5~45℃ Time error: Less than 1% Installation box: 86x86mm square box or European 60mm round box Terminal block: 2x1.5mm² or 1x2.5mm² wire Protection class: IP20 Application: My BecaSmart Me Colour:black Material:plastic+metal Package Contents: 1 x Smart Tuya Thermostat