It has basic perpetual calendar and clock functions, and the time adopts 12-hour or 24-hour format.Day display available in 7 languages: English, German, Italian, French, Spanish, Dutch and DanishFull-featured touch buttonsThe product has a weather forecast function, which can predict climate changes in the next 12 hours2 alarm clocks can be set. At the same time, the snooze function can be set (OFF or 5~60min)It can display the sunrise and sunset times of 251 mainstream European cities (US cities must be manually set)Moon phase and tide functionAdaptive BacklightHumidity: Indoor and outdoor Measuring range: 20%RH ~ 95%RHtemperature: -Indoor temperature measurement range: -9.9C (15F) to 50C (122F) - Outdoor temperature measurement range: -40C (-40 F) to 70C (158 F) - Temperature can be switched in C or F - Outdoor thermometer alarm24-hour recording of minimum and maximum values of air humidity and temperatureIndoor comfort and mold risk displayOutdoor temperature high temperature, low temperature warning and frost warningWireless Outdoor Sensors: -Can be mounted on the wall or placed on the table -433.92MHz RF transmission frequency - Transmission range of 60 meters in open area - Up to 3 wireless outdoor sensors can be connected. (The product only contains 1 wireless outdoor sensor)Atmospheric pressure: - Atmospheric pressure measurement range: 600 hPa/mb to 1100 hPa/mb 17.72 inHg to 32.50 inHg -Pressure selection unit is hPa/mb or inHg optional - Histogram showing historical trend of atmospheric pressure over 24 hourspower supply: -Host: Batteries: 2 X LR6 AA Device power input: DC 5V 1.2A (USB power cable) - Outdoor Wireless Sensor: Batteries: 2 X LR6 AAA