The Spy Spot 3G Tracker is a miniature GPS tracker designed for asset and vehicle tracking. With alerts like geo-fence boundary crossings, low battery, motion alert and many other advanced reporting features, the Micro Tracker is simply the smallest and most versatile tracker. Magnetic case can be used to secure the micro tracker to the frame of a vehicle (magnetic case not included). A service subscription is required to be used with the device. Monthly service is required which can be paid month to month as well as a one time Activation Fee. Worldwide service now available.