Features: Calendar Up to Year 2099. Day of week in 7 languages: English, , Italian, French, Spanish, Netherlands and DanishTime in 12-hour or 24-hour . Two daily alarmsAutomatic snooze function (OFF or 5~60min). Sunrise and time (select )Moon phases and tides. Humidity: Indoor & Outdoor measurable range: 20%RH ~ 95%RHTemperature:Indoor temperature measurement ranges: -9.9C (15F) to 50C (122F)Outdoor temperature measurement ranges: -40C (-40F) to70C (158F)Temperature alternatively in C or F.Outdoor thermometer alert.Minimum/maximum display for air humidity and temperatureDisplay of indoor comfort and mold riskOutdoor temperature upper and lower limit alert and frost warningWireless Outdoor Sensor:Wall Mount or Table Stand433.92MHz RF transmitting frequency60 transmission range in an open area -Up to 3 wireless outdoor sensors can be connected. (One Wireless outdoor Sensor Included)Atmospheric pressure:Atmospheric pressure measurement ranges:600 /mb to 1100 /mb17.72 inHg to 32.50 inHgPressure alternatively in /mb or inHgThe histogram shows the historical trend of the 24-hour atmospheric pressureThe weather forecasting function:Battery: 2 x LR6 AAEquipment power input: DC 5V 1.2A (USB power cable)Wireless Outdoor Sensor:Battery:2 x LR6 AAMaterial: plasticcolour: blackPackage Contents:1 x Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.