DSM30600 watt Digital Sounder ModuleNew lower cost 600 watt HD Digital Sounder module option for Raymarine multifunction displaysE-Series Sea Talkhs network compatibleC-Series and hsb2 network compatibleFor 12 volt systems only, For 24 volt operation choose the DSM300Utilizes the same transducers as the DSM300Patented Raymarine HD Digital Sounder technologyProduct : RAYMARINE DSM30 600 WATT FF MODULE 12V ONLY Manufacturer : RAYMARINE Manufacturer Part No : E63074 UPC : 723193630747 SKU: CW30620