... can locate accurately and be used in guarding Vehicle against theft,courier tracking and monitor.Working Based ... or PDA.Advantages of products:*Powerful magnet to absorb to the vehicle.*Multiple tracking ways, Provide free ... for 24V relay )*Cable connect to car or vehicle batteryStandard packing: one tracker ,1 wall charger,1 ... ,1 cable Portable GPS car vehicle tracking with powerful magnet and SOS