The one-number answer to "Where's the bottom"You never want to be surprised by the bottom. The Hawkeye digital depth sounder with auto-ranging and auto-sensitivity features is designed to give precise depth readings from 2 1/2' to 200' at speeds up to 63 mph.The D10D reacts instantly to changes in depth using a three-stage warning system. The 1 5/8" x 7/8" LCD reads depths in feet or meters, and uses SoftGlowbacklighting for easy and reliable operation at night. The combination transducer included with the sounder can be either transom-mounted or glued in-hull. Includes interchangeable black and white bezels and face plates.Key FeaturesAutomatic Range and Sensitivity delivers uninterrupted depth readings from 2 1/2' to 200' at speeds up to 60 mphAdaptive software programming minimizes false depth readingsEasyTouch user interface makes system setup and adjustment easyDual depth alarms warn of shallow or deep water conditionsThree-stage advanced warning system utilizes audible and visual signals for depth alarmsKeel offset automatically adjusts displayed depth readings for vessel draft requirementsReadings are displayed in feet and Meters (Ft/M, F/C)Glare-free display with SoftGlow backlighting for easy viewing under any ambient light conditionWhite and black face plates and trim rings cosmetically match a wide variety of helm stationsMarine grade plug and play connectors allow for easy and maintenance-free installationFree access to Hawkeye's online technical support systemIndustry leading two-year warranty Dimensions: 2"dia. x 3.4"D Mounting Hole Size: 2 1/8"Dia. Amperage: 40mA@12V DCWhat's in the BoxDigital depth sounder display Combination Transom/Glue-In TransducerDisplay and transducer mounting hardwareThick dash display adapterMarine grade plug and play connectorsColor installation and operation manual