WT81 Smart WiFi Thermostat Tuya 3A Temperature Controller Support Google Home,Alexa - Gas Boiler ?Voice Control: Work with Amazon Alexa,Google Home and Yandex Alice ?LCD Touch Display: Elegant appearance,one-face design,anti-scratch. Large LCD touchscreen display with backlight,easy to read ?APP Control: Smart thermostat that can be controlled by your phone before you come back home. (APP: Smart life/Tuya) ?Manual/Auto Mode: Free to choose a manual mode or auto mode for different purposes ?Accurate Temperature: Internal sensor floor sensor,perceptive ambient temperature and the floor's temperature. Automatically obtain the temperature,1?? accuracy ?Weekly Programmable: The thermostat supports different temperature settings accordingly with 6 time modes daily ?Memory Function: No need to worry about power failure,or data memory when power is off ?Children Lock: The keypad locking function is designed to prevent children from operating by mistake ?Application: Suitable for electric heating/water gas boiler/water heating.Perfect for home,office,shopping mall,hotel,etc. ?Specifications: ?Size: 86*86*13mm ?APP: Smart life/Tuya ?Material: ABS flame retardant compound ?Temperature accuracy: ?��1?? ?Working voltage: AC 100V~220V ?Operating current: 3A ?Plug: EU Plug ?Display type: LCD HD display ?Note: ?As the thermostat has a glass mirror panel,the color may change in different environments. When you install it on the wall and power it on,it will turn into a dark black color. Package included: ?1 x Thermostat ?1 x English User Manual