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 readouts
• High contrast bottom black viewing option
• Fish alarm, depth alarm, zoom, sensitivity, depth range, bottom view and chart speed controls
• Feature Memory remembers settings
• Easy on-easy-off mounting system
• High speed microdynamic transducer for optimum performance
• Built tough and fully waterproof
• One year warranty
• Assembled in the USA
 

The PiranhaMAX 10 is available now and runs about $90.