(from the seller's website...)
The Smallest GPS Logger
The Super PocketTrack is an essential gadget that maps exactly where it has been by recording its own time, date, location, speed direction and altitude at preset levels.
Super PocketTrack will work anywhere on the planet. Using the latest in GPS mapping technologies from Google EarthTM, its exact location can be shown on satellite-based maps and 3D geographical terrain.
Designed with the surveillance professional in mind, the Super PocketTrack Personal GPS Tracking Device will allow you to provide eye popping reports for your client and save you time and money in the process. People are creatures of habit who rarely stray from their normal routine. If a wayward husband, wife, employee, or teenager is suspected of deceptive activity simply provide the Super PocketTrack to your client for them to plant in the suspect's vehicle and retrieve it later for you to download the results. (more)
Can't wait? Need real-time results?
Covert GPS Tracking
• Child Custody
• Teen Drivers
• Cheating Spouses
At only 2.5 x 1.7 x 1.1 inches, this Tiny GPS Tracking Device is fully self-contained and small enough to fit in the palm of your hand. Place in packages, vehicles, or personnel. The miniature GPS Tracking Device sends detailed reports of routes traveled for quality control and security purposes. It can report with a variety of uses defined methods such as automatic sending of real time position data, on demand reporting, and "GeoFencing." These reports are delivered as SMS Text Messages over your local GSM Cellular Network. An internal rechargeable Lithium-Ion Battery powers unit for 12-18 Hours. The External Battery Pack operates for 7-15 days depending on settings. (more)
Why do I mention these items?
So you know what you are up against.