Rand McNally HD 100 Electronic Logging Device (0528008382) Quick, Compact, Compliant Forget paper logs, trip sheets, DVIR forms and recording state line crossings. The HD 100 tracks all of these for you. Installs in 10 minutes or less; adheres to dash; includes mounting cradle with optional screw mount points and adhesive strips; single cable for power and diagnostics Device is just 4  x 3 The HD 100 reflects the new HOS rules (July 1, 2013)