Phiradar Portable Fish Finder with depth reading from 2.0 to 24Oft in 1/10th precision, bottom contour and water temperature indicator, 100-level sensitivity setting and multi levels depth range, auto zoom bottom tracking and quick manual zoom, "stop chart" at any time, user selectable feet or meter reading, big/small fish identification and fish depth indicator, audible fish and depth alarm 3-99ft.
Display Type: 2,8" 16 Levels Grayscale LCD
Backlightning: White LED
Depth Range Max.: 240ft (73,2m)
Depth Range Min.: 2ft (0,6m)
Sonar Frequency: 200/83KHz Duel Beam
Battery: Built-in lithium battery, charge voltage: 5V
Operational Temperature: -20-70°C