The new Eagle FishEasy® 250 DS gives you more fishfinder power for a lot less that higher end models with the same features.
The FishEasy 250DS now ncludes the all-new 83/200 kHz Dual Search technology with a built-in water temp sensor and large display.  It also has internal back-up memory for key sonar settings and a completely sealed and waterproof case.
With a large 4.5″ (11.4 cm) diagonal screen, 240 x 240 pixel resolution and 4-level grayscale the FishEasy 250 is easy to see and operate.  The features are plentiful including:

Depth capability to 1,000 …

The Humminbird PiranhaMAX 10 is an easy to use entry level fishfinder that features a high definition – 4″ diagonal display, easy One-Touch™ control to access a full set of advanced features and an ultra-compact size that mounts almost anywhere.
The PiranhaMAX 10 has a traditional 20º single beam sonar that works to a depth of 600 feet and the true 4-level grayscale delivers a clearly better image of bottom, fish and structure.
Some of the additional features are:
• Selective Fish ID+™ with target depth
• 3-level backlight for night fishing
• Big, easy to see digital …

The Eagle FishElite 640c is a member of the all new full-size, full-color, high-res, units that Eagle offers.  It has 12-parallel channel GPS+WAAS reception with fast, strong satellite lock-ons, precise tracking, and position updates every second with the external EGC-12W receiver.  The Sonar has a depth capability to 800 ft (244 m) with 1500 watts of peak-to-peak power (187W RMS).  The FishElite 640c features high-definition 640Vx480H resolution on a 256-color, enhanced TFT LCD for easy viewing no matter what the conditions are.
Some of the other features of the FishElite 640c:
•  …