tuya smart WIFI four-day weather forecast Indoor and outdoor temperature and humidity measurement Weather forecast, alarm clock, snooze. Fahrenheit or Celsius convertible Large-screen color display. Moon phase display, barometric pressure display 12/24 hour time, calendar, week display. WIFI time automatic calibration function Product Category:Radio Clock Display type:LCD Display type:digital Waterproof: Impossible Power type:external power supply Movement type:radio wave Power supply mode: Host 3 x AAA batteries or adapter(Not included batteries) Transmitter 2 x AAA batteries(Not included batteries) Measuring range: Indoor temperature display range:-9.9℃ - +50℃ & 14℉ - +122℉ Indoor humidity display range:20%RH - 95%RH Outdoor temperature display range:-40℃ - +60℃ & -40℉ - +140℉ Outdoor humidity display range:20%RH - 95%RH Resolution: Temperature display resolution:0.1℃ & 0.1℉ Humidity Display Resolution:1%RH Error: - 0℃-40℃/32℉-104℉:± 1℃/1.8℉ - 20-0℃/-4℉-32℉:± 2℃/3.6℉ - 40℃-65℃/104℉-149℉:± 2℃/3.6℉ - 40%RH-80%RH:±5%RH Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Colour:White Material:ABS Size:Product host size:198x136x40MM, Transmitter size:5x2.6x10.5CM Package Contents: 1 * Wireless weather station 1 * Transmitter 1 * Adapter