Raymarine - RV-100 RealVision 3D All-In-One Transom Mount Transducer - A80464. Raymarine's RV-100 All-In-One Transom Mount Transducer lets you easily identify structures and locate fish with the life-like clarity of RealVision 3D sonar. The RV-100 is a 4-channel, Wide Spectrum CHIRP transducer with DownVision, SideVision, high frequency CHIRP fish targeting and RealVision 3D sonar inside. The transducer has a built-in attitude and heading reference system (AHRS) that stabilizes the sonar imagery, automatically compensating for vessel motion. You'll enjoy crystal-clear imagery in waves, swells and while maneuvering. The RV-100 also has a built-in fast response water temperature sensor for quick, accurate readings.. The RV-100 is designed for easy transom mounting on outboard-powered motor boats. It features a rugged, marine-grade stainless steel mounting bracket with integrated kick-up to prevent damage in the event of a strike with floating debris, rocks, or stumps.. The RV-100 can als