This is the first and only weather station in its class to use special frequency-hopping technology that enables the instrument shelter to be positioned as far away as 1,000 ft. from the receiver. Some weather stations require wire connections between the instruments and receivers, and other wireless models transmit only short distances, but with Vantage Pro 2 the instruments could be positioned in a farm field, a schoolyard or atop a multi-story building as long as line-of-sight contact with the receiver is maintained. Typical transmission range through walls is up to 400 ft. The sensor suite is solar-powered and components are housed inside a weather-resistant shelter equipped with a radiation shield that minimizes impact of solar radiation and other heat sources on the readings. Receiver console can be powered by AC or three C batteries (not included). Stores over 2,000 historical averages, high ans lows, and totals. Updates data every 2.5 seconds. Weather information includes current temperature, humidity, rainfall data, wind direction and speed, sky condition icons, on-screen data graphing, barometric pressure, forecast information, high, low and average temperatures and data recall from information stored in memory. Made in USA. Console: 6.13 H x 10.38 W x 1.5 D. Sensor suite dimensions: 11 W x 9.38 H x 14 D. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Gender: Male. Age Group: Adult. Type: Weather Stations.