LPS-1 Handheld Digital Depth SounderThe 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 diving and more. For fishing, simply touch it to the surface of the water. For ice fishing, the signal will shoot through clear ice! When diving, use it to check depths or distances to any object under water: reefs, sunken wrecks even the distance to the surface. Waterproof down to 150'.Features: 200 kHz, 22° built-in transducer Reads depth from 1.8 to 200 feet Backlit display for night use Automatic shutoff Uses one 9 volt battery Floats Specifications: Color: Nautical Yellow Weight: 7 oz. Length: 7-3/4" Voltage: 9 volts Max Range: 200 feet Power: 25 Watts Specifications: Watts RMS - Max: 25 Watts Waterproof Rating: Waterproof Box Dimensions: 2"H x 3"W x 11"L WT: 0.5 lbs UPC: 052762945198 Owner's Manual (pdf)