RealVision 3D™ Bronze Thru-Hull Transducer Pair Pack - 20° - 8M Cable & Y-CableDesigned for inboard or outboard boats, the RV-220 Bronze Through Hull Transducer System lets you easily identify structures and locate fish with the life-like clarity of RealVision 3D™ sonar.The RV-220 system is a 4-channel, Wide Spectrum CHIRP transducer system with DownVision™, SideVision™, high frequency CHIRP fish targeting and RealVision 3D™ sonar inside. The transducer system 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-220 system also has a built-in fast response water temperature sensor for quick, accurate readings.Raymarine’s RV-220 Bronze Through Hull Transducer system pack contains a pair of RealVision 3D transducers with internal offset to accommodate hull deadrise angles from 13° to 20°. This completely eliminates the need for fairing blocks. The low-profile design slips effortlessly through the water without causing drag or cavitation. The near-flush RV-220 system works great on trailered boats too.The RV-220 system features rugged cast-bronze through hull bodies suitable for fiberglass or wooden hulls. One transducer transmits and receives to port and downwards, the other to starboard and downwards, ensuring a full 180° of underwater coverage even on boats with deep keels or other underwater protrusions. Each transducer features a 2M pigtail, joining y-cable and 8-meter extension cable, resulting in an overall cable length of 10M (33'.)What’s in the Box?RV-220P Bronze Port Transducer with 2M cableRV-220S Bronze Starboard Transducer with 2M cableRealVision 3D Transducer Y-CableRealVision 3D 8M (26') Transducer Extension CableAnti-rotation bolt kitInstallation instructions