Easy To UseThere is NO installation needed; all you need is a functional SIM card to place into the car tracker. From there you can monitor and using online maps in real-time through the Internet. Attention: The SIM card is not included. Super Small and MagneticThis GPS tracker is extremely portable 1.29*0.86*0.62inch(33*22*16mm) and extremely lightweight. Works anywhere with two strong magnets inside and is simple to firmly attach to vehicles. SOS and Positioning QueryDial the SIM card number for emergency. When the SOS button is pressed the gadget will ask for assistance and send a message to the guardian. Whether this mini GPS tracker is being carried by young children elderly people in a bag or in a car you may check the user's precise position using a mobile app or computer and locate them as quickly as possible. Other Various FunctionsRemote pickup remote recording voice recording voice control callback real-time tracking shock burglar alarm historical trajectory built-in strong magnet. This GPS Tracker is multifunctional and convenient for use. Multiple Precise Positioning ModeGPS WiFi and LBS Positioning are included in this mini magnet car tracker. GPS tracking and real-time accurate positioning without distance restrictions.