High definition translates to better image detail, and better image detail translates to more fish caught. SwitchFire® Down Imaging™ and Side Imaging™ sonar on an 8" full-collor LCD screen lets you see everything directly beneath, and to either side of your boat. View charts with full screen or split screen with sonar. External GPS with WAAS and built-in ethernet networking. 4,000-watt peak-to-peak power output. Displays water temperature and speed. Chart-plotting with LakeMaster® and Navionics® compatibility.