Fishfinder 571 HD DI - SwitchFire Sonar/HumminbirdPC

571 hd di. Combine pristine picture quality with features usually found in higher-end models, including down imaging and color or monochrome displays. Versatility makes the 500 series perfect for a wide range of boats. It doesn't matter what you're fishing for-any humminbird fish finder will help you see your prey and its surroundings more clearly. To find the humminbird that's right for you, consider your boat type, fishing style, price range and the features you can or can't live without. Use the chart below to select the series that best meets your needs. Display size: 5'' inches diagonal. Resolution: 640 volts x 320 hertz. Display type: fstn lcd. Sonar - standard: down imaging - dual beam plus. Sonar coverage: 16 degrees, 28 degrees,45 degrees & 75 degrees @ -10 db. Sonar frequency: 455/800/200/455 kilohertz. Target separation: 2.5'' inches. Power output (max): -500 watts (rms) -4000 watts (ptp). Depth capability: 250' feet di & 600' feet. Temperature: included. Speed: optional. Mount: quick disconnect. Power input: 10-20 vdc. Other features include: switch fire sonar. Humminbirdpc. Upgradeable internal software - optional. Split screen zoom. Large digits view. Custom view selections. Custom digital readout selections. Selective fish id+. Real time sonar. Sonar echo enhancement. Triplog - optional. X-press. Menu system. Manufacturer: humminbird. Frequency = 455/800/200/455. Included transducer = xnt-9-di-t. Resolution (vxh) = 640 x 320. Screen size = 5'' diagonal. Speed/temp = temp only. Transducer type = transom mount. Waterproof rating = waterproof. Watts rms - max = 500.