Humminbird PiranhaMAX 4 Fish Finder - The PiranhaMAX 4 has been designed with a Dual Beam Sonar that allows anglers to see exactly what lies below the waters surface and its tilt and swivel base allows anglers to see the display from anywhere in the boat. Display Pixel Matrix: 272H x 480V Display Type: Color TFT Display Colors Grayscale: 256 Colors Sonar Standard: DualBeam Standard Sonar Coverage: 28 & 16 degrees at -10db Target Separation: 2.5IN Power Output RMS: 300 Watts Backlight: Yes Unit Size - Gimbal Mount: 3.914IN W x 7.335in H x 3.621in D Mount B Unit Size2: 3.914in W x 6.770in H x 2.600in D Power Input: 10.8-20 VDC Power Draw: 180mA