Professional grade, expandable fishing technology is what sets the 700 Series Fishing Systems apart. Powerful DualBeam PLUS sonar, QuadraBeam or even Wide Side bank scanning sonar will show you fish and structure other 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.