Hand-Held Sonars Measure Depths to 400'
These revolutionary Fish-Ray Hand-Held Sonars are self-contained depth sounders capable of reading depths to 100' and 400'. Use like a radar gun—simply hold the nose under water and pull the trigger. Water depth will instantly appear on the large LCD at the rear of the unit. The location of the display allows the user to scan the bottom for contour changes or to locate fish. Excellent for lake studies, sediment sampling or locating underwater objects. Operates on one 9V battery for up to 500 uses. Min. depth is 2.0'. Accuracy: ±6". Beam angle: 15°. Measures 6"H x 3"W x 12"L. Choose from two ranges.