Professional grade, expandable fishing technology is what sets the 700 Series Fishing Systems apart. Powerful Side Imaging marine sonar, DualBeam PLUS™ sonar, or even QuadraBeam PLUS sonar will show you fish and structure other marine fishfinders can’t, on an incredibly crisp, clear 640 vertical pixel display. All in a compact design you can mount in-dash, or use with the Humminbird exclusive Tilt & Swivel Quick Disconnect Mounting System.