Chesapeake SS White 2 Depth Sounder with Transom Mount TransducerPerimeter-lighted White dial with stylish Blue and White graphics, polished stainless steel bezel and domed glass lens.The Depth Sounders from Faria offer a 199 foot (61m) depth capability with an automatic gain control, backlighting for maximum night vision keel offset, and deep and shallow water alarms. Depth can be read in meters and feet. With its oversized back-lit display, depth can be easily read in any condition. A programmable keel offset lets you adjust the offset from the keel at the display. Comes with Faria SN2011 transom mount transducer w/25' cable.2 - Hole Size: 2.0625 (53mm)Specifications:Domed Glass Anti-fog, Scratch Resistant LensStainless Steel White Bezel199 Foot (61m) Depth CapabilityAudible and Visual alarm for Shallow/Deep Water ConditionsFactory P/N DS0110