ZTOP Mini Realtime SPY Personal GPS/GSM/GPRS Car Vehicle Tracker For Car/Old People/Children/Pets Build-in GPS personal locator. GSM/SMS communication or GPRS TCP/UDP connection. Works worldwide! High sensitivity, New technology and latest GPS SiRF-Star III chipset Excellent for fixing the position even at a weak signal status. Works well even in areas with limited sky view like urban canyons 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.