... Finder, Fishfinder, Echo Sounder, Echosounder, Depth Finder, Fish Sounder, ONWA® 5.6-INCH COLOR DISPLAY ECHO SOUNDERMODEL: KF-667 FEATURE:1) Dual-frequency ... ModeAutomatic adjustment of range and gain(8) Display ModeHigh Frequency (200K),Low Frequency (50K), Dual (200K and 50K 1/2display on ... 1/4, 1/2, 1/1, 2/1(11) TX Frequency Output power50 and 200kHz (alternately transmitted), 300W(12) Pulse-length ...