Honeywell TE831W-2 Complete Wireless Weather Station with PC Interface, Silver 12 to 24 hour weather forecast, 24 hour barometric pressure history chart, Indoor/Outdoor Temperature and Humidity Automatically sets to the US Atomic clock, dual crescendo alarm, calendar display in day, month and year Multiple weather alarms, Includes Weather Capture PC software* (PC not required for weather station operation, PC software is optional), USB cable, 7.5v AC adapter included channels Manual altitude adjustment, monitors temperature and humidity in up to 5 remote locations, dew point and comfort level indicators 100 feet (30 meters) User selectable 12 or 24 hour format, user selectable month/day or day/month format, user selectable 6 language day of the week, moon phase calendar