Dot matrix fish finder (new design)

1)FSTN LCD screen
2)Resolution: 128 x 64 pixels
3)With white LCD backlight
4)Power requirement: 4 x AAA alkaline batteries
5)Unit measurement: feet or meters
6)Sonar beam angle: 45 degrees
7)Operational temperature: -4 to +158F (-20 to 70C)
8)Depth range: 0.6 to 100m in 1/10th precision LCD display
9)Display window size: 42 x 48mm
10)Waterproof design
11)Battery save: on/off
12)Backlight: on/off
13)Fish icon indicator: on/off
14) 5 various sensitivity settings to suit various situations
15)Fishing depth indicator with audio fish alarm alert
16)Depth alarm range: 1 to 31m
17)Benefit Help finding out the approximate location of fish
18)Sonar sensor frequency: 200kHz
19)User defined the depth range for detection and enlarge particular part is optional
20)Round transducer can be floated on water and attached to the hull of boat float
21)Used for river, lake and sea fishing or works on ice
22) Available color: black/yellow/silver