It is not just about compliance needs or mandates. Its about transitioning from the old way of logging to the new while operating effectively and efficiently. Trulog application for drivers. Fill Dvir, report defects in vehicle, add log form and get listing of previous seven days work. The Electronic Logging Device (ELD) easily plugs in to the Electronic Control Module (ECM) of the vehicle. The ECM communicates with the app on the mobile device (smart phone or tablet) and transmits required data to update Hours-of-Service (HOS) information. The information is stored securely and easily shared with safety investigators and regulatory agencies.