Digital Yacht NavAlert NMEA Monitor Alarm System [ZDIGNALERT] Lumishore Surface-Mount Underwater LED Light Frequencies: 130-210 kHz @ 25°

Frequencies: 130-210 kHz @ 25° constant beamwidth

and stores it in your batteries

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Digital Yacht NavAlert NMEA Monitor Alarm System [ZDIGNALERT] Lumishore Surface-Mount Underwater LED Light Frequencies: 130-210 kHz @ 25°NavAlert NMEA Monitor & Alarm System NavAlert is Digital Yachts latest innovation and allows an alarm to be set for any parameter thats available on the boats NMEA 2000 network. That could be navigation data such as depth, heading, or speed, as well as electrical data such as voltage and engine generator data including temperature, pressure, tank levels, fuel flow, etc. It connects anywhere on the NMEA 2000 network and takes power from this