The iTrail is a GPS logger you can place inside your child's backpack, your car or just about anywhere you want to track the whereabouts of anyone or anything. This small 1.5 in x 1.5 in GPS logger is versatile and allows you to record departure times, location, distance, and speeds, and displays the information on an easy-to-use interface powered by Google Maps and Google Earth. You can also use the optional magnet mount car case to securely mount the iTrail underneath your vehicle for covert tracking. System Requirements: PC with Windows 2000, XP, Vista, or 7 USB 1.1 or 2.0 Includes: iTrail GPS logger Magnetic car case Installation mini-CD USB charge/transfer cable Shipping Notice: This product ships in 1-3 business days. When ordering, please do NOT select the following shipping methods: 2nd Day Air, Next Day Air Saver, Next Day Air.