Thanks to the unique galvanometer technology developed byPlastimo, 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.