It has basic perpetual calendar and clock functions, and the time adopts 12-hour or 24-hour format. display available in 7 languages: English, German, Italian, French, Spanish, Dutch and Danish Full-featured touch buttons The product has a weather forecast function, which can predict climate changes in the next 12 hours 2 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 function Adaptive Backlight Humidity: Indoor and outdoor Measuring range: 20%RH ~ 95%RH temperature: -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 alarm 24-hour recording of minimum and maximum values of air humidity and temperature Indoor comfort and mold risk display Outdoor temperature high temperature, low temperature warning and frost warning Wireless 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 hours power 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