Mini Real time Spy Vehicle CAR Tracker for GSM GPRS GPS System ,Secret Tracker Tracking Device TK102B USA SELLER Build-in GPS personal locator High sensitivity, new technology and latest GPS SiRF-Star III chipset Locate the locator holder by the mobile phone via SMS Powerful magnet + waterproof design can be adsorbed in the hidden place of car. SOS button send out exact location for immediate rescue/action.