BlackJax 5 Series Anti-Carjacking & Vehicle Self-Recovery System Selectable AutoImmobilization G4/G5 CliffNet DataPort for access via your computer Rugged, high-output siren User-selectable 30/60/90-second siren duration Output for connection to car horn, air horns, or optional secondary siren Secure valet/override mode High output siren Two-point immobilization Programmable passive immobilization Programmable siren/horn output Programmable siren duration