Vexilar Inc. Hand Held Sonar LPS-1 Hand-Held Depth Finder in nautical yellow--ideal for fishing, ice fishing, and scuba diving 200 kHz 22 degree built-in transducer; reads depths from 1.8 to 200 feet Backlit display for night use Weighs just 11 ounces and floats; waterproof to 150 feet 2-year limited warranty