Mi Home application: Download the app from Google Play or APP Store The app supports multi-language settings If the connection to the app fails, open the app settings and switch the region to China, then reconnect. Functions: *1.5 inch digital LCD display, more clear and high resolution. *Sweetly designed with baby reminder mode and reminded by the Mi Home app. * Built-in accurate digital thermometer Switzerland Sensirion * Slim and cute size, durable eco-friendly ABS material, easily placed anywhere. * Two emoticons directly remind you of the degree of comfort. * Powered by a button battery can provide long-lasting service life. Specification: Brand: XIAOMI Mijia Wireless connection: BT 4.2 BLE Measuring range: 0-60 degrees Celsius Temperature display resolution: 0,1C Humidity range: 0% - 99% RH Humidity display resolution: 1% RH Package Size: ok. 6 * 6 * 3,5 cm Package weight: ok. 100 grams Package includes: 4 * Xiaomi Mijia 2 thermometer hygrometer 1 * wall sticker 1 * use instructions