Operates low beam headlights at reduced intensity (75%) for prolonged lamp life|Unit features 15-second "time-in" delay and tail/ marker lamp activation|Park brake disable feature locks out system when parking brake is engaged|Electronics are sealed in epoxy for protection and are short circuit protected|Exceeds GM and Ford's electrical, environmental, RFI and EMI specifications|Meets or exceeds SAE, NHTSA and CSA guidelines