Vexilar HANDHELD DIGITAL DEPTH SONARVexilar HANDHELD DIGITAL DEPTH SONAR The Handheld Digital Depthsounder or LPS 1 is simple to use. Just put it in the water, point and push the ON button. The depth or distance is digitally displayed for 10 seconds before automatically shutting off, with no risk of battery drain. A must for the outdoor enthusiast! Take the compact, lightweight LPS 1 wherever you go: fly in trips, ice fishing, canoe trips, remote mountain lakes, float tubing, scuba