Time in optional 12/24 hour ; Calendar Up to Year 2099 Day of week in 7 languages: English, , Italian, French, Spanish, Netherlands and Danish Dual Alarm clock; Snooze time setting (1~30Minute or OFF); Low battery indicate; Indoor comfort indicate Weather forecasting and air pressure detect; Ice alert; Moon phase; Window opening and closing suggest; Humidity measurable range: 20%RH ~ 95%RH Temperature: Indoor temperature measurement ranges: -9.9C (14.2F) ~ 50C (122F) Outdoor temperature measurement ranges: -40C (-40F) ~ 70C (158F) Temperature alternatively in C or F Maximum /minimum value record of temperature and humidity Barometric pressure: Barometric pressure measurement ranges: 850~1100 mb/ (25.10~32.48inHg) Pressure alternatively in mb/ or inHg Wireless Outdoor Sensor: Up to 3 Channels, 433.92MHz RF transmitting frequency, 60 meter transmission range in an open area Power Supply: Weather Station: Battery: 2 x LR03 AAA Adapter: DC5V 600mA Remote Sensor: Battery: 2 x AA 1.5V : Plastic colour: Black Package Contents: 1 x Weather Station Thermometer 1 x Sensor 1 x USB Cable Only the above package content, other products 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.