Humminbird 409670-1 PiranhaMax 197C Color Fish Finder (Grey) So you can see what's below your boat with great clarity;Display Pixel Matrix:240H X 320V Thanks to an easy-to-use interface, unlocking the power of Fish ID+, fish alarms, depth alarms and zoom has never been more simple It has 3.5" display with 1600 watts PTP power output with Dual Frequency sonar;it packs a technological chomp that no fish finder in its class can match Temperature:Built In Transducer