Wind Repeater DisplayAdd or replace the display on the Clipper Wind V2 - 3 wire wind mast unit and the Clipper Wireless wind unit. The Clipper Wind NMEA Repeater has user a selectable pointer style and selectable wind speed scale. It requires the standard NMEA 0183 MWV data sentence.Technical Specifications: Works with NMEA 0183 NMEA protocol 7 levels of display backlighting Dimensions (H x W x D) - 4.33" x 4.33" x 1.18" (110 x 110 x 30mm) In the Box: 16.5&'; (5 M) Cable Mounting &';O&'; ring Weather cover *Sold as Individual This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Instrument Function: Wind Box Dimensions: 4"H x 8"W x 10"L WT: 2.1 lbs UPC: 609722886710 Owner&';s Manual (pdf)