Predicts max/min temp for 5 days, UV intensity indicator, displays in 7 languages, 12/24 format, temperature in C/F, dual alarm and snooze function Includes USB transmitter. This weather station features 5 day forecast (current day and following 4 days), time, alarm and calendar function To download updated software Keep the transmitter plugged into your computer to get current weather report updates on the wireless weather station with a radio frequency range of 30 m Works with Windows 2000 and. 3" W x 7.25" H