The Humminbird 500 Series? now offers best-in-class HD screen resolution on a crystal-clear full-color 5", 640V x 640H monochrome display. Thanks to incredibly clear Down Imaging plus dynamic SwitchFire? Sonar, you won't miss a thing beneath your vessel. Depths to 600 ft (250 ft DI). 4000 watts peak to peak. Tilt & Swivel Quick Disconnect Mounting System.