... /Anti-hijacking ·Mobile Asset Tracking, Location-based Services ·Fleet Management: car, taxi, bus, truck etc. ·Manage your Assets,Use for School ... , Geo-fence alarm ·Tremble alarm, Parking alarm, SOS alarm ·Control car doors close/open, detect the status of engine on/off ... serial ports and 1 mini USB port two way communication car gps tracker,vehicle gps tracker with optional RFID card reader ...