With state-of-the-art target tracking technology and a 4" (10.16 cm) grayscale display, echo 100 brings a new level of fishfinding capability to the budget-minded buyer.

Features

• Garmin HD-ID™ technology
• Compact design for smaller boats
• 100 watts (RMS) transmit power
• Depths to 600 ft (182.88 m) in fresh water
• Beam width to 60 degrees
• 4" (10.16 cm), 8-level FSTN grayscale display
• Tilt/swivel mount, transducer, trolling motor clamp and transom mount

• Unit dimensions, WxHxD: 4.1" x 5.8" x 2.8" (10.4 x 14.7 x 7.1 cm)
• Display size, WxH: 2.38" x 3.21" (6.04 x 8.15 cm); 4” diag, (10.16 cm)
• Display resolution, WxH: 160 x 256 pixels
• Display type: 8-level grayscale FSTN
• Weight: 9.5 oz (270 g)
• Waterproof: yes (IPX7)

• Audible alarms: yes
• Dual-frequency sonar capable: no
• Dual-beam sonar capable : no
• Split-screen zoom: no
• Ultrascroll® (displays fish targets at higher boat speeds): yes
• Fish Symbol ID (helps identify fish targets): yes
• AutoGain Technology (minimizes clutter, maximizes targets): yes
• Whiteline (indicates hard or soft bottom): yes (always on)
• Adjustable depth line (measures depth of underwater objects): no
• A-scope (real time display of fish passing through transducer beam): no
• Bottom lock (shows return from the bottom up): no
• Water temperature log and graph: no
• Water temperature sensor included: yes
• Water speed capable (displays speed on water): no

• Frequency: 200 kHz
• Transmit power: 100W (RMS)/800W (peak to peak)
• Voltage range: 10V - 20V input
• Maximum depth:
  • 600 ft fresh water
  • 300 ft salt water
• Cone angle: 60º (single beam)

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Garmin Echo 100 4" 8-Level Grayscale FSTN 160 x 256 pixel (Refurbished)