E-WSS: ENVIROMUX wind speed sensor/anemometer 

• Rugged
• 3-cup rotor pressed on a stainless steel shaft
• Reed switch and magnet providing one pulse per rotation
• Rugged Delrin body with bronze and Rulon bushings
• Flat aluminum mounting bracket with 2 holes
• Designed to be mounted on top of a pole or bracket
• 100 feet of exterior grade wire