Thanks to the unique galvanometer technology developed by Plastimo, this instrument does not require any power source : it is operated only by the energy generated by the windvane.

The complete set comprises :
the cup type rotating masthead unit, to be secured along the mast, by means of two clips (supplied).
the cockpit repeater, with a dial calibrated 0-60 knots / 1-11 Beaufort scale through 240°.
Features 12Vdc lighting, to be connected to the board battery.
Supplied complete with 20 m cable.