The 120 Fishin' Buddy fishfinder from Humminbird® features an 8-level grayscale 4" display, down- and side-looking sonar, and 1000 watts of PTP power output. It also comes with an ergonomic clamp mount so you can attach the device nearly anywhere.
120 Fishin' Buddy fishfinder from Humminbird®
Display: 4" diagonal; 240V x 160H; FSTN LCD
Power Output: 125 watts (RMS); 1000 watts (peak-to-peak)
Power Input: 6 AA batteries
Single-Beam Down/Side Sonar: 200 kHz/34° at -10db; 455 kHz/10° at -10db