Norcross Portable Depth Sounder --Depth, fish, and bottom structure readings from 2.5 to 99.9 feet (.8 to 30.4 meters) --Instant depth updates to the nearest 1/10th foot or meter, updated four times per second --User selectable feet or meter depth readings --No glare, polarized virtuview lcd icon display --Fish identifier, depth scale, and 2-stage audible fish alarm --Battery strength indicator with battery save mode and auto power off --Weedid programming accurately depicts weed height --2 Button easytouch programming with quick reference guide --Pivoting lcd protector/display stand --Storage bag and adjustable neck strap --Trollable, mountable, and floatable sonar sensor with 35 feet (10.7 meters) of cable with cable tie-strap --Shoot thrutm sonar technology allows readings to be obtained through boat/kayak/canoe hulls and ice --Powered by 4 aaa batteries --Water resistant to IPX4 standards