Patented Firefly Electronic Wind Detector Black

FireflyA(R) FireflyA(R) is a sophisticated instrument designed using the latest in state-of-the-art technology. The entire design was optimized using advanced flow analysis and the result is the most accurate, hyper sensitive wind detection device you can buy. Firefly is simple to operate-just push the button on the side and it immediately starts sampling wind direction, showing the results in 3 seconds. Features: Protective cover easily screws onto Firefly. Waterproof design Built-in compass showing cardinal direction of the wind Shape, diameter and position of stainless steel support pins is the result of painstaking flow analysis tests so as not to alter readings The physical attributes of the design assure accuracy during low/no wind periods Board is so precise it must be manufactured by computer automation. LED lights signal wind direction information in an easy-to-understand manner - especially in the dark Weather resistant housing is built to last. With the cover screwed on, it's completely waterproof Specs: Height: 4.63" Radius: 2.16" Weight: Under 3 OZ with batteries under 2 OZ without batteries Operating Temperature: -35 F to +110 F