Wind Speed Indicator Vigilant Cat. No. Vigilant Weight 2 lbs

Vigilant Measures wind speed up to 100 MPH (160 km/h), with memory of high gust via a mechanical Gust Register. Powered by rooftop sensor. Requires no external power source Displays wind speed and gust up to 100 MPH (also 160 km/h). 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. Wind speed instrument ships complete with 60' cable, sensor and mounting hardware. Wind Speed readings up to 100 MPH (160 km/h) Records High Gust, even if you're not there to witness it Does not rely on any external power source Wind speed will continue to register during power failures Solid Brass case  Specifications   Speed: +/- 3% Full Scale & Mid Scale Case: 6.5" O.D. x 2.75" Deep Dial: 4.75" Diameter Weight: 1.37 lbs. Power: Self-powered by rooftop sensor Model: Brass case, Silver dial : $395.00 Brass case, Black dial : $395.00 Chrome case, Silver dial : $420.00 Chrome case, Black dial : $420.00 Nickel case, Silve Dial : $420.00 Nickel case, Black dial : $420.00 PVD Brass case, Black dial : $495.00 PVD Brass case, Silver dial : $495.00