Raymarine Pack of RVM-412 RealVision 3D Stainless Steel Thru-Hull Transducers, Port and Starboard 12-Degree Direct Connect to Axiom2 and RVM1600 (2 X 2M, Y-Cable and 8M Extension Cable)RVM 400 series stainless steel all in one through hull transducer brings the power and clarity of RealVision MAX technology to inboard and outboard powerboats. The RVM 400 series transducers are compatible with the RVM1600 sonar module and Axiom 2 Pro RVM chartplotters. The RVM 412 is a port and starboard transducer pair designed for boats with 5 to 15 of deadrise. Each transducer element is tilted at 12 to compensate for the hull deadrise. The RVM