N2K Protect NMEA 2000 Network Guard With more technically advanced, integrated, and “connected” boats, security becomes a major concern.  Recent high-profile automotive hacks have highlighted security weaknesses in some CAN-based systems. The NMEA Organisation has responded to this threat by establishing a Cyber Security Working Group to identify and mitigate the risks of maritime attacks  [...]

AC 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.

DC Digital Ammeter Displays amperage from -500 to +500 Amps 3 levels of display brightness Splashproof front Manual sleep mode blanks display for power conservation Standard meter operates in negative side of circuit only. Shunt Shifter required for positive side installation such as alternators Includes 500 Amp shunt Applicable for 12, 24, 32, 36, and [...]

SG210 Battery Monitor Kit with Display Shunt Gateway Features: Learns and displays all critical battery parameters Supports for all common battery chemistries and voltages Intelligent, self-calibrating accuracy Large, bright, color display Expandable architecture Includes Display Shunt Gateway This product may not be returned to the original point of purchase. Please contact the manufacturer directly with [...]