This fish finder is designed for the liker in fishing. It can detect both fish location and fish size in both and salt , and can be used as a depth sounder. Perfect for underwater activities such as undersea exploration, ocean fishing and ice fishing, etc.

Features:
depth, , fish location, bottom can be constantly obtained from the fish finder.
Adjustable sensitivity for clear and turbid .
Depth , shallow , fish , and chart setting. 
Supports 180m depth detection with 45° beam angle in 200Khz.
High-contrast LCD and -like menus give you more to spend fishing and less dealing with settings.
The transducer can be mounted by sucker or bracket with screws provided.

Specifications:
Material: ABS
Wired Transducer Depth Capability: 180 m / 590.6 ft
Wired Transducer Cable Length: 8m
Wired Transducer Sonar Coverage: 45 degrees beam angle in 200Khz
Fish Finder Requirement: 11 to 13V (not included)
Fish Finder Size: 13.8 * 13.4 / 5.4 * 5.3 in
Fish Finder Screen Size: 8.6 * 6.2 / 3.4 * 2.4 in
Operational : 14°F to 122°F (-10°C-50°C)
Package Size: 16 * 15.5 * 15 / 6.3 * 6.1 * 5.9 in
Package Weight: 1096 g / 2.4 lb

Packing List:
1 * Fish Finder
1 * Fish Finder Cable
1 * Wired Transducer (with cable)
1 * Wired Transducer Sucker
1 * Wired Transducer Bracket (with 2 screws)
1 * User Manual