Summary: High-end models;  Special vehicle;  Multihomed host;  Connect handle,scheduling screen,1 to 4 cameras, external voice horn;  Waterproof roof LED;  Oil testing;  Tracking and positing;  Illegal demolished alarm;  Movement state data report;  Dead zone automatic dormancy restart;  ACC detection;  Emergency  alarm in one buttom;  Remote monitoring;  Power and oil cut; Road detection over-speed alarm;  Enter alarm;  Beyond regional alarm;  Mileage statistics;  Regional searching;  Historical alarm records More...