Display size - diagonal: 12.1 inch</br>Exclusive multi-range chirp-view low, Mid and high CHIRP ranges, either individually or all at once</br>Use the 5-port Ethernet switch to link together multiple Hummingbird head units or share transducers</br>Nmea 2000 ready-boat performance, weather or water conditions, make sense of it all with our networking solutions</br>Access software updates to enhance the performance of your Hummingbird unit through my Hummingbird</br></br>Product Description</br></br>At Hummingbird, innovation is the core of everything we do. The Helix Series is no exception-delivering our full array of technologies, including the intuitive reflex interface, precise Broadband CHIRP, incredible Imaging sonar and the mapmaking power of auto chart live. Fueled by DNA that is unmistakably Hummingbird, the Helix Series also features a jaw-dropping industrial design. From top to bottom, it's Plain to see that finding fish runs in this family. The Helix 12 CHIRP SI GPS features a large 12.1 inch display with LED backlight, side Imaging and down Imaging sonar with CHIRP sonar with up to 8000 watts PtP power output, GPS chart plotting with built-in contourxd Maps, and Ethernet networking capabilities. Includes unit cover.</br>