HUMMINBIRD 407860-1 HDR 650 DIGITAL DEPTH GAUGE CUSTOMIZABLE BEZEL & FACE COLOR TO COMPLEMENT INSTALLED GAUGES; RELIABLE DIGITAL DEPTH READINGS; COMPLETELY WATERPROOF; COMES WITH TRANSOM MOUNT TRANSDUCER; LARGE BACKLIT DISPLAYEASY TO READ AT NIGHT; SHALLOW & DEEP DEPTH ALARMS; TRACKS BOTTOM UP TO 70MPH