Detailed Product Description

* Built-in GPS personal locator.

*  GSM/SMS communicationor GPRSTCP/UDP connection.Works worldwide!

*  Support 4-frequency GSM850/900/1800/1900MHZ.(Optional)

*  High sensitivity, New technology and latest GPS SiRF-StarIII chipset! Excellent for fixing the position even at a weak signal status.

Work well even in areas with limited skyview like urban canyons.

*  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

*  Monitor scan track th person without interfering him,

LIVE! Real-Time tracking!

* Locate the locator holder by the mobile phone via SMS

(shortmessagingsystem).

*  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

**********new feature***************

 * waterproof case;optional magnetic mounted;

 * with optional external battery(extend to work for 7days);

 * optional pet collar;