... by SMS or Computer or PDA.Advantages of products:*Powerful magnet to absorb to the vehicle.*Multiple tracking ways, Provide free ... connect to car or vehicle batteryStandard packing: one tracker ,1 wall charger,1 cigarette lighter charger,1 user manual, 1 CD ... ,one 12V relay,1 cable Portable car GPS tracker with magnet ,battery standby 50-60 days