Blue Sea 8239 AC Digital Frequency Meter MAP Extend your NMEA 2000® backbone

Extend your NMEA 2000® backbone with Garmin's 30' (10M) backbone/drop cable

Mid-performance

Enhanced data legibility thanks to large characters and high resolution display

Lithium Battery Pack 3300mAh for IC-GM1600 & IC-GM1600K

UPC: 801769003505

Blue Sea 8239 AC Digital Frequency Meter MAP Extend your NMEA 2000® backboneAC Digital Frequency Meter Displays frequency from 40 to 90 Hertz 3 levels of display brightness Splashproof front WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Owner's Manual (pdf)