It's like playing the James Bond role, but for real life purpose. It's pocket-sized, unnoticeable and will accurately track your teenager or employees cars anywhere in the Universe. It's the incredible LandAirSea Tracking Key. Plant this tiny GPS device under cars, inside side pockets, or anywhere indiscernible and watch as it's internal computer determines it's location at 2.5 m and records data every second! The LandAirSea Tracking Key shows current speed and max speed of the vehicle and replays everywhere it was driven. It's absolutely incredible! How reliable is it's GPS signals? Oh, it only recieves detailed data from 24 GPS satellites constantly orbiting planet earth. So just sit back and let this LandAirSea Tracking Key be your "little spy", while you contently examine the incoming info off of data downloads directly to a USB port. Sweet, huh?