Housed in an oversized brass case measuring 21.5" diameter and 2" deep, this wireless weather processor displays wind speed, wind direction and outside temperature. Display features 3" tall LED digits and ¾" diameter LED wind direction indicators. Select unit of measurement for wind speed (MPH, Knots, km/h, m/s or Beaufort) and thermometer (Fº or Cº). Measures wind speed up to 255 MPH and outdoor temperature from -40º to 122º F. Highly visible display, makes Summit ideal for large rooms or commercial settings such as yacht clubs and ski resorts. Includes 900mhz wind and temperature sensors, wireless receiver, AC/DC adaptor and mounting hardware.