GS-800 is a tracking system which is a all-in-one design with a shock sensor urgency alarm button and RF transmitters,.support SMS communication, Build a fleet management system easily or tracking by yourself through cellphone,User can make the remote-control to the car ,such as oil-cut and power-cut, with a client server tracking software which support Mapinfo, Microsoft MapPoint,Google Earth & Google Plus&Navigation map. FUNCTIONALITY: Support SMS communication Standard real time tracking by Unit ID, location, speed, direction, time, alarm status. Automatically timely report or report upon command. Geofence protection report Voice monitoring Emergency dial out/SOS report Sleep mode to save power Remote configuration Motion alert Overspeed alarm Last location record High speed tracing recorder Low battery alert Remotely cut power, oil or engine