Speedtech Windmate 100 Windmeter

Features Windspeed Max windspeed Backlight Stainless-steel back Replaceable battery Water resistant Includes a lanyard Wind Range: up to 155 mph with +/- 3% accuracy Batteries (included): 1 x CR Long-life Lithium Measures windwpeed in knots, mph, kmh, ft/m and m/s Unit Size: 3.5 in x 1.5 in x 0.75 in Unit Weight: 2.0 oz