RAYMARINE Realvision Black Box Sonar, 1kw Sonar, Downvision/Sidevision/Realvision/3D Sonar | E70511RAYMARINE RealVision Black Box Sonar is a modular 1kW sonar solution that delivers detailed underwater imaging in a compact package. It combines DownVision, SideVision, RealVision, and 3D Sonar in one unit, offering versatile imaging for anglers and mariners seeking precise seabed views and fish targets. Power: 1 kW sonar power output for strong signal returns and better penetration in deeper water. Imaging Modes: DownVision, SideVision, RealVision,