PIRANHAMAX 4 - Sharper image. Sharper teeth. With modern styling and large, 4.3" color LCD, the new MAX 4 will give you a fresh perspective on what's below your boat. Thanks to a redesigned, even easier-to-use interface, unlocking the power of optional Down Imaging, Fish ID+, fish alarms, depth alarms and zoom has never been simpler. Feature for feature, it packs a technological chomp that no fish finder in its class can match.Specifications and Features: Display Size Diagonal - 4.3-Inch Dual Beam Sonar 2400 watts PTP/300 Watts RMS Depth Sonar 320 ft (20) 455 kHz, 600 ft (20) 200 kHz Sonar Coverage 28deg & 16deg @ -10dB