This fish finder is designed for the liker in fishing. It can detect both fish location and fish size in both fresh and salt water, and can be used as a depth sounder. Perfect for underwater activities such as undersea exploration, ocean fishing and ice fishing, etc. Features: Water depth, water temperature, fish location, bottom contour can be constantly obtained from the fish finder. Adjustable sensitivity for clear water and turbid water. Depth range, shallow alarm, fish alarm, and chart speed setting. Supports 180m depth detection with 45° beam angle in 200Khz. High-contrast LCD and phone-like menus give you more time to spend fishing and less time 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 Power Requirement: 11 to 13V DC (not included) Fish Finder Size: 13.8 * 13.4 cm / 5.4 * 5.3 in Fish Finder Screen Size: 8.6 * 6.2 cm / 3.4 * 2.4 in Operational Temperature: 14°F to 122°F (-10°C-50°C) Package Size: 16 * 15.5 * 15 cm / 6.3 * 6.1 * 5.9 in Package Weight: 1096 g / 2.4 lb Packing List: 1 * Fish Finder 1 * Fish Finder Power Cable 1 * Wired Transducer (with cable) 1 * Wired Transducer Sucker 1 * Wired Transducer Bracket (with 2 screws) 1 * User Manual