The Clipper wind instrument comes complete with display and wireless wind sensor with solar cell and rechargeable battery, so you avoid having to pull a cable.
The Nasa Clipper wind instrument is/has: · 12V 20mA · Wind speed: 0-60 knots m/s with 1 decimal place up to 9.9 · Wind direction: 0-360? analogue · Wind direction calibration · Night light 25 mA · Waterproof · 8 levels of backlighting · Large easy-to-read numbers - 40mm high · Repeater can be connected · Easy to install and operate · Protective cover
All NASA instruments in the Clipper series are delivered complete with transducer and all necessary fittings.