Positioning: global satellite positioning, provides vehicle location, direction of travel and speed inquiry; 2, track playback: Viewing the past three months in any one day vehicle records; 3, support SMS SMS query location information; (fight payment card number, language audio TWO back to SMS query location information) 4, cross-border police vehicle: You can set up with regional fixed over regional SMS phone alarm to remind: 5, built-in backup battery, illegal cutting line to achieve SMS phone reminder alarm 6, set vibration alarm, SMS telephone reminder alarm :( fortification before you can use) hereby state: Android smart phones, computers can view the vehicle position control