The main production, is GP2000Tracking &NavigationSystem ,whichismultifunctional, it concentrates navigation tracking, orientation, antitheft, alarm and remote control. The full group size is only 5.5*9.5*1.0cm and 55mA rated power 0.2W. Apply different calculation, the precision 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, it provides sufficient interface for secondary