The Digital depth sounder displays the depth in meters and feet (1 m - 61 m or 3 - 199 feet). Built-in alarm for shallow and deep water. The alarm is both visual and audio. The programmable shift of the keel allows you to adjust the shift from the keel to the display. The double display shows the water and air temperature from 0 ° C to 93 ° C. With its oversized back-lit display depth can be easily read in any condition.