... and continual tracking ·Over-speed alarm, Low power alarm, Geo-fence alarm ·Tremble alarm, Parking alarm, SOS alarm ·Control car doors close/open, detect the ... Date: Jan 26, 2011 Valid until: Feb 16, 2015 Range: TZ-AVL08 ,TZ-AVL18 Specifications: Exterior Power Supply9V -36VBackup ... , 4 serial ports and 1 mini USB port two way communication car gps tracker,vehicle gps tracker with optional RFID card ...