Maximum Vigilant Black with Scale Doubler

Displays wind speed and gust up to 200 MPH.

Dial indicates 0 - 100 MPH, yet the doubling feature displays a 100 MPH wind as 50 MPH and a 200 MPH wind as 100 MPH.

Features our unique Gust Register, so you can monitor highest gust even if you missed the actual wind blast. Self-powered by rooftop sensor. Needs no batteries or other power source.

Cable, sensor and mounting hardware supplied.