As with all ST40 displays they have extra large digits and razor sharp LCD displays for outstanding visibility in all light conditions. Fully compatible with SeaTalk, ST40 Wind integrates with Raymarine autopilots and navigation equipment. It also offers a choice of snap-on bezels in three different finishes for surface and bracket mounting options.ST40 Wind is compact in size and design, yet big on performance and features, ST40 Wind offers all essential wind data in a clear 7-segment digital and 36-segment analogue dial display. Wind speed and direction is displayed in both apparent and true readings. Wind angle can be locked manually or automatically, displaying deviation and course to steer to achieve locked wind angle. The ST40 Wind System includes display, sun cover, mounting hardware, Rotavecta Wind Transducer, SeaTalk cable and instructions.