... 2PCS/CTN 1128 PCS/20FT 247PCS/40FT boat fish finder SPECIFICATION: SPECIFICATION MODELboat fish finder, FS-8000 SEAWATER FISHING CAMERADISPLAY(inch)7 ... Other name of the fish finder: portable fish finder, sonar fish finder,fish finder, boat fish finder, dot matrix fish finder, handhold fish finder, fishing tackle, ... using FishingCam12.Must use designated charging batteries when charging a battery.