1) Simulation mode
2) Hot Key operation
3) Display Window Size: 42 x 48 mm
4) Display Type: FSTN LCD V128 X H64 and White LED backlight
5) Depth readings from 2.0 to 240ft in 1/10th precision
6) Display target depth reading above each fish symbol
7) Detecting Big / Small fish by adjusting Sensitivity
8) Can use in Fresh / Salt water environment
9) Water Temperature Indicator
10) IPX4 Water Resistant Design
11) Fish Icon
12) 5 levels sensitivity setting
13) User selectable feet or meter readings
14) Audible fish and depth alarm
15) Depth Alarm 3-99ft
16) User selectable depth range
17) 200KHz Sonar Frequency
18) Zoom On/Off
19) 45-degree transducer beam angle
20)Transducer:Free Scan Transducer or can be used on ice (only for FD86B)
21) 4 “AAA” Batteries