Welcome to SpyCentre Security - The Spy Gear Superstore Passive GPS Trackers Section. Here you will find our selection of GPS data loggers. These GPS tracking devices are a great way to keep a close eye on employees, spouses and teenage drivers. Although these devices can not be seen in real time like their counter parts they provide an affordable and portable solution to finding out just where someone is going on a daily basis. Simply place the device inside our on the bottom of a vehicle. Retrieve the device and download it to you computer. These devices are built to stores hundreds of hours of data, are motion activated and provide accurate results of where a vehicle has been, including address location, length of time spent at each location, vapor trail overlay and full 3D mapping software that allows for quick and easy pinpointing. They are also much smaller than most real time GPS tracking devices allowing for you to quickly deploy them on multiple vehicles if necessary without attracting suspicion.