Unit Dimensions:4.3" (H) X 2.75" (W) X 1.18" (Thickness)
Display Window Size:1.89" (Width) X 1.57" (High)
Display Type:Virtual View Liquid Crystal Icon
LCD Backlighting:Yellow-green LED soft glow
Power Requirement:4 X 'AAA' Alkaline Batteries
Units of Measurement:Feet & Meters
Depth Range Max.:131 Feet (40 Meters)
Depth Range Min.: 2.3 Feet (0.7Meter)
Sonar Sensor Cable Length: 32Ft (10 M)
Sonar Sensor Frequency:200K Hz
Sonar Beam Angle:16 Degrees
Temperature readings:0 to 122F (-18 to 50C)
Operational temperature range:0 to 122F (-18 to 50C)