Signstek FF-009 Portable Fish Finder FishFinder With Round Sonar Sensor LED Backlight

Description:
This amazing product is especially designed for amateur and professional fishermen alike, to find out the location of fish, depth and bottom contour of water.The unit can be used in ocean,river or lake and is fantastic for detecting schools of fish in any particular area.Using amazing and innovative technology, this portable fish finder is the ideal tool to bring the fish to you.

How Sonar Works:
Sonar technology is based on sound waves.The system uses sonar to locate and define structure,bottom contour and composition, and depth directly below the transducer.The transducer sends a sound wave singnal and determine distance by measuring the time between the transmission of the sound wave and when the sound wave is reflected off an object; it then uses the reflected signal to interpret location,size and composition of an object.

Specification:
Display: FSTN LCD 128Vx64H
Frequency: 200KHz sonar
Backlight: White LED
Power Requirement:4AAA alkaline batteries(not included)
Measure Units: Feet and Meters
Sensor Beam Angle:45 degrees
Depth: 2.0 to 240ft in 1/10th precision
Operational Temperature:-4F to 158F(-20℃-70℃)
Optional Transducers: side hull transform mount or float&free scan transducer
Audible Alarm: depth alarm 3-99ft

Note:
Cold weather is extremely hard on the electrical components within the display housing.It is suggested keeping the unit in temperatures above 0 degrees Fahrenheit.

Package:
1x Fish Finder
1x Transducer with 25ft Cable
1x Mounting Bracket
1x Mounting Screw
1x Neck Strap
1x User Manual in English