DF2200PX - Portable Sonar System Featherweight, Incredibly Easy, Very Effective... The DF2200PX is the most versatile handheld depth sounder ever produced. Not only will this depth sounder give you instant depth readings, from 2.5 to 199 Feet (.7 to 60.1 Meters), in 1/10th precision, but at the press of a button the display will give real time temperature (water or air) and fish readings. Use it in the winter to shoot through ice before cutting your hole. Use it in the summer as a range finder and temperature meter while diving. Use it as a backup depth sounder on your pleasure boat or scan for channels in your dingy. No matter how you use it, the DF2200PX is the one piece of equipment you should never leave the dock without... SideScanand#153; Fish Detecting Sonar - There is no guessing where the drop-offs are or where the fish are hiding when you use the DF2200PX. One press of the button allows you to scan an area for drop-offs, ledges, or hiding fish within 199 Feet (61 Meters). Scan under weeds, lily pads, or even docks for trophy lunkers before making a cast; the presence of fish is clearly indicated on the LCD. - 60and#37; More Powerful! - Algorithmic Programming Reduces False Readings - Depth Readings from 2.5 to 199 Ft (.7 to 60.1 Meters) - Reads in English and Metric - Waterproof, Maintenance Free Button - Instant Depth Readings, 4 Times Per Second, in the Nearest 1/10 th Foot or Meter - Secure Battery Compartment for 4 x and#145;AAand#146; Batteries wi