Perfect for PWCs! With its completely waterproof construction, micro-display housing, and ShootThru sonar technology, this digital sounder is at home ripping across the lake at 70 mph on a PWC as well as searching for a secluded cove on a tender. The compact housing is easily mounted on any vessel's dash. EasyTouch Programming allows one-touch access to the built-in audible depth alarm. Depth range: 99.9'. Glue-in shoot-thru 200 kHz transducer. Compact 2"W x 1.1"H.