The Raymarine A80281 is a Transom Mount CHIRP SideVision Transducer.
A80281 Transom Mount CHIRP SideVision Transducer Features:Transom mount CHIRP SideVision? sonar array for the CP200
Independently adjustable port and starboard arrays for shallow, mid or deep-water scanning
Rugged, stainless carrier with kick-up strike protection
Adjustable beam angle conforms to a variety of preferences
Integrated kick-up positioning guide ensures consistent returns to desired installation angle