Honeywell TE852W Long Range Weather Forecaster with Wind Speed and Atomic Clock Displays temperature/humidity at up to 4 locations, wind speed and wind chill, and 12- to 24-hour weather forecast with graphical icons Shows time in 12 or 24 hour format, and automatically updates via radio signal to the US atomic clock Features programmable ice warning alarms, high/low temperature alarms, and high wind speed and gust alarms System comes with one 328-foot range remote temp/humidity sensor, and a 100-foot range remote wind speed sensor Main display runs on 2 AA batteries, sensors run on 4 AA batteries, and all are backed by a 1-year warranty