Portable Car GPS Tracker 102 with GSM Alarm Micro SD Card Slot Anti-theftFeatures:Micro SD card slot for additional data logging (maximum 2GB)!Built-in shock sensor.GSM/SMS communication or GPRS TCP/UDP connection.High sensitivity， New technology and latest GPS SiRF-Star III chipset!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.LIVE! Real-Time tracking!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 centerPowerful magnet + waterproof design， can be adsorbed in the hidden place of car.Compact size， and smaller than a name card， easy to carry， hold and hide.Very Low power consumption.Maximum FIVE cell phone numbers are allowed to admin the tracker.Specifications:Content SpecificationsNetwork GSM/GPRSBand 850/900/1800/1900MhzGPS module SIRF3 chipGPS sensitivity -159dBmGPS accuracy 5mGPS start time Cold status 45sWarm status 35sHot status 1sWall charger 110 ~ 220V input， 5V outputBackup battery Rechargeable and changeable 3.7V 800mAh Li-ion batteryStorage Temperature -40��C to +85��COperation Temperature -20��C to +65��CHumidity 5% ~ 95% non-condensingItem size 6.5 * 5 * 1.8cm (4.1 * 2.2 * 1.0in)Item weight 49g/1.7ozPackage size 19.5 * 12.8 * 5.8cm (7.7 * 5 * 2.3in)Package weight 362g/ 12.76ozItem Includes:1 * GPS tracker1 * Extra back cover with Magnet (easy adsorbed to car)1 * Waterproof bag1 * Power adapter (EU standard)2 * Rechargeale changeable 3.7V 800mAh Li-ion batteries1 * Charger1 * USB cable1 * User manual