The main production , is GP2000 Tracking & Navigation System ,which is multifunctional, it concentrates navigation, tracking, orientation, antitheft, alarm and remote control. The full group sizeisonly5.5*9.5*1.0cm and 55mA rated power 0.2W. Applydifferentcalculation.theprecision of orientation reach at 3-5 meter. Free monthly rent, Point-to-Point monitor, Point-to-troop monitor, troop-to-troop monitor. Spare battery can work for navigation and trackingfor15~20hours.continuously even when power cuts. Output according with globalagreement, the uniform criterion NMEA, itprovides sufficient interface for secondary