Humminbird's new portable Piranha fishfinders offer simple controls on a compact unit at an attractive price. They're also ideal for traveling fishermen! The Piranha units use Humminbird's trademarked One-Touch control. This system allows the user to access Piranha's features, including fish alarm, depth alarm, zoom and depth range. The units are equipped with Fish ID+, which labels targets with a depth, and Structure ID grayscale, which reveals the bottom type. The Piranha's transducer features a suction cup that can be attached to any smooth hull surface. There are five models in the line, with suggested retail prices ranging from $79.95 to $139.95. Techsonic Industries, Inc., Eufala, AL; (334) 687-6613; http://www.humminbird.com.