Featuresr 28 512 colors tft v240 h160 sunlight readable with white led front lightr depth reading from 20 to 240ft 06 72m in 110th precisionr bottom contour and water temperature indicatorr 100 level sensitivity settings and multi level depth ranger auto zoom bottom tracking and quick manual zoomr stop chart at any timer user selectable feet or meter readingr bigsmall fish identification and fish depth indicatorr audible fish and depth alarm depth alarm 3 99ft 1 30mr user s