Build-in GPS personal locator Works worldwide! GSM900/1800/1900 Mhz or 4-frequency GSM 900/1800/1900 MHZ.(Optional) High sensitivity, New technology and latest GPS chipset! Excellent for fixing the position even at a weak signal status. PDF created with pdfFactory Pro trial version www.pdffactory.com Work well even in areas with limited sky view 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 alarm and remote monitor Support quick dialing buttons for 3 preset phone number Support check location by SMS and Internet Monitors can track the person without interfering him, LIVE! Real-Time tracking! Locate the locator holder by the mobile phone via SMS (short messaging system). OS button send out exact location for immediate rescue/action. 77 mm 45 mm 25 mm