Maestro 2S displays wind speed over two scales, wind direction and highest gust up to 120 MPH
A toggle switch at the bottom of the case changes readings from 120 MPH to 40 MPH scale
The 0-40 MPH scale provides a more active display of lower wind speeds
Wind speed is self-powered by rooftop sensor
Wind direction is displayed across 16 compass points using LEDs which run off the supplied AC power pack