The wireless Vantage Pro2 Plus is a research-grade weather station that includes all the features of the Vantage Pro2, plus UV and solar radiation sensors. The Vantage Pro2 Plus provides accurate and reliable weather monitoring wtih real-time data updates every 2.5 seconds. The outside temperatury and hummidity sensors are housed in a 24-hour Fan-Aspirated Radiation Shield for maximum accuracy. The sensor suite also reports wind speed, wind direction, and rainfall.