• With a basic perpetual calendar, clock function, time in 12 or 24-hour format
• Day of the week display is available in 7 languages: English, German, Italian, French, Spanish, Dutch, and Danish
• Full-function touch keys
• Weather forecast function for the next 12 hours
• 2 alarm clocks can be set. Also can set the snooze function (OFF or 5~60min)
• Display sunrise and sunset times for 251 European mainstream cities (US cities must be set manually)
• Moon phase and tide function. Adaptive backlight
• Histogram showing 24-hour atmospheric pressure historical trend
• Outdoor thermometer alarm. 24-hour record of minimum and maximum air humidity and temperature
• Indoor comfort and mold risk display
• Outdoor temperature high and low-temperature warnings and frost warning
• Wireless outdoor sensors can be mounted on the wall or placed on a table, 433.92MHz RF transmission frequency, 60m transmission range in an open area
• Up to 3 wireless outdoor sensors can be connected. (Only 1 wireless outdoor sensor is included)

Specifications:

• Humidity indoor and outdoor measurement range: 20%RH ~ 95%RH
• Indoor temperature measurement range: -9.9°C (15°F) to 50°C (122°F)
• Outdoor temperature measurement range: -40°C(-40°F) to 70°C(158°F)
• Temperature units: °C or °F
• Atmospheric pressure range: 600 hPa/mb to 1100 hPa/mb; 17.72 inHg to 32.50 inHg
• Pressure selection units: hPa/Mb or inHg available
• Alarm clock batteries: 2 X LR6 AA (not included) 
• Device power input: DC 5V 1.2A (USB power cable)
• Outdoor wireless sensor battery: 2 X LR6 AAA (not included)