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The Fishfinder 140 combines a 4-inch grayscale display and Garmin's exclusive fishfinder technology into an entry-level sonar that's perfect for any vessel where space is at a premium. Fishfinder 140's included dual-beam transducer provides excellent shallow-water performance, and the wide viewing angle lets you see fish even off the sides of the boat. With an easy-to-ready grayscale display and backlight, the Fishfinder 140 has one of the sharpest screens for the money.

See Fish Clearly

Fishfinder 140 also offers Ultrascroll, which refreshes the screen with lightning speed so you always see the most up-to-date information. You can manually adjust the gain or set to Auto Gain, which adjusts the level of detail you see automatically.

Other features:

• Automatic display re-scaling on range change (no more vertical lines with range changes)
• Power output: 100 watts (RMS), 800 watts (peak to peak)
• See-Thru technology: shows weak and strong returns simultaneously
• Automatic backup of settings: unit remembers user settings when it's turned off
• Whiteline shows you how thick the bottom is
• 2X and 4X automatic and manual zoom
• Alarms for fish size, shallow water, deep water, low battery
• Battery voltage indicator