Different charts and GPS antennas available
Screens from 8 to 15 inches
AIS, transducer, 12V and other stuff available
Excellent alternative to Garmin Raymarine Simrad Lowrance B&G
Also available, diagnostics for kenworth, cummins, caterpillar, komatsu, hitachi, john deere, detroit, volvo, international, jpro, nexiq, bendix, wabco, haldex, eaton, allison, noregon