[WiFi radio transmitter with outdoor sensor]: Weather stations with many functions. It can be run alone, but in combination with graffiti applications, all its functions are displayed. All functions are easily accessible via the mobile phone. Clear color display: The color display with large digits provides very intuitive visibility. Even from a few meters away, the measurement data can be read clearly. [Easy Operation] Equipped with a radio clock, the wireless weather station automatically updates the time and date after opening, without manual settings. Accurate measurement data: The weather station automatically searches for the signal of external wireless sensors and quickly displays accurate indoor and outdoor temperature and humidity data. Up to three outdoor sensors can be extended. [Auto Brightness Size] When the weather station is powered by the adapter, the automatic brightness display size can be set from 100% to 50%. You can also manually adjust the brightness to 100%, 50% or more. Feature Description: - Doodle WIFI Three Day Weather Forecast - Automatic calibration of WIFI Graffiti time and date - Indoor and outdoor temperature and humidity measurement - Alarm clock, snooze - Conversion to Fahrenheit or Celsius - Moon phase display - Display of 12/24 hour time, calendar and day Product parameters. 1.Measuring range: Indoor temperature display range: -9.9+50 & 14+122. Indoor humidity display range: 20%RH95%RH Outdoor temperature range: -40+60 & -40+140. Outdoor humidity display range: 20%RH95%RH Atmospheric pressure display range: 600hPa/mb1100hPa/mb&17.72inHg32.48inHg. 2.Resolution: Temperature display resolution: 0.1 & 0.1 Humidity display resolution: 1%RH Resolution of the atmospheric pressure display: 1 hPa/mb & 0.03 inHg 3. tolerance: 040/32104: ±1°C/1.8°F, other ranges: ±2°C/3.6°F. 40%RH80%RH: ±5%RH, other ranges: ±8%RH. 4. Host product size: 140*103*25MM, transmitter size: 50*26*105MM 5. Single product packaging size: 160*42*115MM 6. Single product packaging weight: 378g 7. Power supply: host adapter or three 7 AAA batteries, transmitter two 7 AAA batteries 8. Packing list: host * 1 + transmitter * 1 + adapter * 1 + manual * 1