Placement and tracking: Through the line on the placement platform or the mobile phone occasionally locates, and gets the working status. You can choose the placement platform. Activate the emergency alarm: When there is an emergency in the vehicle, you can press the button and the installed unit will send an alarm to the authorized numbers. Remote control of oil and circuit: You can control the oil and circuit via the unit by SMS anywhere and anytime. Remote monitoring: Anywhere and anytime, call the phone number on the unit, when connected, you can monitor the sound around 5 meters. Motion alarm: Send SMS to the unit to start the motion alert function. When the vehicle is moving, the unit will send the motion alarm to all authorized numbers. Overspeed: Send SMS to the unit to start the motion alert function. When the vehicle is overspeed, the unit will send the overspeed alarm to all authorized numbers.