... Description FEATURE:1) Dual-frequency: 50 and 200 KHz2) 5.6-inch TFT LCD display with 8-color or multi ... transmitted), 300W(12) Pulse-length/TX rateDisplay End Depth(m) 5, 10, 20, 40, 80, 150, 300Pulse-Length(ms) 0 ... ) Water proofingDisplay Unit: IPX4(4) Vibration±1mm ±10%, 2(5) to 13.2Hz, Maximum acceleration 7 m/s, 13.2 ... . Coating Color(1) Display Unit Chassis: 2.5GY5/1.5 Panel: N3.0 New tone No.5