•  Build-in GPS personal locator.
•  GSM /SMS communication or GPRS TCP/UDP connection .
•  Works worldwide!  Support 4-frequency GSM 850/900/1800/1900 MHZ.(Optional)
•  High sensitivity,New technology and latest GPS SiRF-Star III chipset! 
•  Compact size, and smaller than one name card. Easy to hide
•  Very Low power consumption
•  Fast Signal Acquisition
•  Support single location and continuous tracking
•  Support  location triggered  by tracker
•  Support  location triggered  by authorized cell phone
•  Support  alarm and remote monitor
•  Support quick dialing buttons for 2 preset phone numbers
•  Support  check location by SMS  and Internet
•  Monitors can track the person without interfering him
•  Locate the locator holder by the mobile phone via SMS 
•  SOS button send out exact location for immediate rescue/action.
•  Geo-fencing to restrict movement to a defined radius.
•  No monthly service charges to be paid to the call center 
•  Support our real time tracking software,If you are interested in real time tracking, you can have a look at our real time tracking software http://www.bofan.cc/livegts.php•  Can connect with an additional external car charger(as shown in below picture)