Honeywell Complete Professional Weather Station System TE923W reads and displays temperature, humidity, UV levels, wind speed, rainfall data as well as calculates sunrise, sunset and moon phase, This TE923W Weather System features a 100 foot range from sensor package to the main display. This full function quality professional weather station additionally records and charts 24 hour barometric pressure history and the large LCD display has an automatic backlight control. The atomic clock automatically sets itself to the US Atomic Clock and has an alarm function with programmable snooze. The included infrared remote controls all of the displays numerous functions. The Honeywell Professional Weather Station TE923W features a 12 to 24 hour weather forecast, records up to 200 weather records. and has a programmable ice warning alarm. This home weather station is fully expandable to monitor the weather temperature and humidity in up to five separate locations with the addition of up to four additional sensors, sold separately. Includes a 7.5V AC power supply to power the monitor and requires 12 AA alkaline batteries for various sensors and two AAA batteries for the remote control. In addition to Weather Instruments, make sure to check other Honeywell Weather Instruments and other Honeywell products offered in our store.