The Fox's iTrail with Magnetic Case is a passive GPS logger than you can bring anywhere, anytime. Measuring 1.5” x 1.5”, this logger records location, speed, time and displays the information on an easy-to-use interface powered by Google Maps and Google Earth. It has extra 90 hours of drive time using the extended battery pack. It comes with a Magnetic Case to securely mount the iTrail for covert tracking.