Trolling motor-mount or shoot-thru-hull, pod type transducer. (20 ft cable) Works with: HDS-10, HDS-10, HDS-5, HDS-5x, HDS-7, HDS-8, LCX-110C, LCX-111C HD, LCX-112C, LCX-113C HD, LCX-15CI, LCX-15CT, LCX-15MT, LCX-16CI, LCX-17M, LCX-20C, LCX-25C, LCX-26C...