The listing, Hawkey Handheld FishFinder FF3355P has ended.
Marine tool is ideal for fishermen
Using an ultra wide, 45 degree sonar beam angle, delivers accurate depth, fish and bottom structure readings from 1.5 to 99.9 feet
Operationable down to zero degrees Fahrenheit; includes a trollable, mountable, and floatable sonar sensor with 35 feet of cable and cable tie-strap
Exceptionally easy to use; simply turn the power on, toss the sonar sensor from the shoreline, bridge, or boat
Fits in the palm of your hand
Very well used, uses double A batteries
http://www.navstore.com/detail.aspx?ID=1338