Welcome to get a good understanding of our Model NS004--GPS vehicle Tracking system , please find its brief introduction in the following. Features and Functions: 1. Real-time monitoring 2. GPS orientation, GPS receiver will output a complete position 3. Automatic report position, status Data content: vehicle status, ACC status, time, longitude latitude, speed, direction, alarm information 4. Remote modify vehicle setup 5. Automatic keeps GPRS alive 6. Speeding report When vehicle is out of predefined speed, a report will be generated on the control center immediately. 7. Geo-fence When UNIT is out of these predefined zones, a report will be generated. 8. Cut off power and gas supply remotely Input the password and then click stop car. 9. Emergency help With a emergency button to call control center when accident is befell. When you need help please press the emergency switch for 3 seconds. 10. Listen remotely by telephone