50/200 kHz, 1kW RMS. Separate elements for exceptional deep water performance and detail. Works with: HDS-10, HDS-10, HDS-5, HDS-5, HDS-5x, HDS-5x, HDS-7, HDS-7, HDS-8, HDS-8, LCX-110C, LCX-110C, LCX-111C HD, LCX-111C HD, LCX-17M, LCX-17M, LCX-20C, LCX-20C, LCX-25C, LCX-25C, LCX-26C HD, LCX-26C HD