Description: 1. Home hygrometer, data can be clearly read in various brightness and angle. 2. High sensitivity and accurate sensirion from Switzerland, sense subtle change of temperature and humidity a breath away. 3. An expression to spell over comfort level, cute and simple. 4. Low consumption screen, a CR2032 button battery for one-year. 5. Built-in advanced Sensirion temperature and humidity sensor, temperature accuracy: 0.1 degrees, humidity accuracy: 0.1 percent RH 6. Via Mi app to switch on humidifier when indoor humidity is too low and air-conditioner when indoors temperature is too high LED digital display, you can get temperature, humidity easily Specifications: Brand XIAOMI Mijia Model LYWSD03MMC Material ABS PMMA Size 43x43x 12.5mm Voltage DC2.5V 3V Battery CR2032 Wireless Connection Bluetooth 4.2 BLE Measure range 0C 60C Temperature display resolution 0.1C Humidity range 0% 99%RH Humidity display resolution 1 %RH Executive standard QB/WSDJ 2401-2019 Quantity 1Pcs Package Included: 1 Thermometer Hygrometer 1 x Wall Sticker 1 x Use Manual