Wireless Weather Calendar Clock Color Touchscreen Display RF Sensor Temperature Humidity Meter for Indoor and Outdoor Item Type: Wireless Weather Clock Features: Perpetual calendar, clock function, 12 hour or 24 hour system time, week display 7 Languages: English, German, Italian, French, Spanish, Dutch, Danish Full function touch keys With weather forecasting function, can predict the next 12 hours of climate change 2 alarms can be set, snooze function can be set (OFF or 5-60min) Sunrise and sunset times in 251 major European cities can be displayed (manually set for US cities) Moon phases and tidal functions Adaptive backlight Indoor and Outdoor Humidity Measurement Range: 20%-95%RH Indoor Temperature Measurement Range: -9.9℃(15℉) to 50℃(122℉) Outdoor Temperature Measurement Range: -40℃(-40℉) to 70℃(158℉) Temperature Unit: ℃ and ℉ Switching Outdoor thermometer alarm The minimum and maximum air humidity and temperature are recorded for 24 hours Indoor comfort display Outdoor temperature High temperature, low temperature warning and frost warning Wireless Outdoor Sensor: Can be mounted on the wall or placed on a table 433.92MHz RF transmission frequency Transmission range of 60 meters in open areas Atmospheric Pressure Measurement Range: 600-110 hPa/mbar 17.72 inHg to 32.50 inHg Pressure, measured in hPa/mb or inHg Up to 3 wireless outdoor sensors can be connected. (Only 1 wireless outdoor sensor is included) Host Battery: 2 x AA Battery (not included) Device Power Input: DC 5V 1.2A (USB power cable) Outdoor Wireless Sensor Battery: 2 x AAA Battery (not included)