The 400TX features a wide,Super Twist LCD screen with 160-by-160-pixel resolution. It alsocomes with Humminbird's Tri-Beam transducer that provides 90-degree,side-to-side coverage. The unit boasts a 600-foot depth capabilityand 2,000 watts of peak-to-peak power. A three-button menu systemmakes the 400TX extremely easy to operate, with controls like4-Level Gray Scale, Tru Zoom, Adjustable Sensitivity, Adjustable3-Size Fish Alarm, and a new feature called Adjustable Fish Sensitivity.The 400TX is waterproof, and is even offered in a portable modelthat provides extended remote operation on a set of disposablesix-volt batteries. Techsonic Industries, Eufala, AL; (334)687-6613; www.humminbird.com.