Windy Anenometer, watertight and floats with automatic backlighting and reading of wind speed in all directions thanks to the 3 cups mounted on rotor. Scale 1.0
40 m/s, units: knots, m/s, km/h, mph digital form, beaufort under graphic form. Average speed on  5.10.20 or 40 selectable seconds, scale 0.1 up to 9.9 - 1 above 10. Dimensions Ø 70mm (compressed cups) x 135mm h.