J1939 Canbus Display, Monitoring and Control for Diesel and Gas Engines. Rugged, Watertight Controllers with Easy-To-Read Displays and Easy-To-Operate Interfaces. Digital Electronic Controls to Protect & Monitor Engines & / or Generators; LCD Readouts for Engine Vitals, AC Volts, AC Amps, Frequency & Total Running Time; Safety Shutdowns for Overcrank, Overspeed, Low Oil Pressure & High Water Temperature; Pre-Alarms & Faults Shown Via Led's; Options Include Remote Annunciator & -Way Interactive ...