Magnetic Mini GPS Tracker- GPS tracker support GPS and LBS(location based service) double tracking system, improve the accuracy of position;Use GPS tracker Recording, Sound monitoring, tracking, etc. Set multiple functions of security, tracking, monitoring surveillance, emergency alarms and management in its entirety, Support remote control of mobile phone. Perfect for tracking vehicles, kids, spouses, elderly persons or pets. Easy To Use - GPS tracker support Internet Network data transmission.All you need is a working SIM card (Attention:SIM is not included) to insert into the car tracker, NO installation required, then you can track and map (with for Google Maps) in real-time over the Internet. Real-Time Positioning - GPS tracker supports remote operation of mobile phone.Dial SIM card number, then you can hear voice around this tracker, with no light and no noise, you can monitoring whats going on around the tracker device silently and secretly. Super Small and Super Magnetic Power- This GPS tracker is super small (1.57x0.91x0.61in) and super light (1.06 oz). works worldwide with 2 powerful magnets inside, easy to attach to vehicle firmly.