Humminbird PiranhaMax 230 PT Portable 4-Inch Waterproof Fishfinder (Discontinued by Manufacturer) 4-inch LCD display Goes anywhere, and offers incredible ease of use with true, grayscale images and convenient features. Dual 20-degree and 60-degree sonar beams, and 90-degree single-beam wireless sonar 600-foot depth for dual-beams, 120-foot depth for wireless, and provides a target separation of only 2.5 inches FSTN LCD display with 160 x 132 lines of resolution in 4-level grayscale Comes with XHS 9 20 T suction-cup mount transducer, and a 1-year limited warranty Goes anywhere, and offers incredible ease of use with true, grayscale images and convenient features Dual 20-degree and 60-degree sonar beams, and 90-degree single-beam wireless sonar 600-foot depth for dual-beams, 120-foot depth for wireless, and provides a target separation of only 2.5 inches 4-inch FSTN LCD display with 160 x 132 lines of resolution in 4-level grayscale Comes with XHS 9 20 T suction-cup mount transducer, and a 1-year limited warranty