Features: Bindwithcellphoneitcouldgiveanalarmifthecarisstolen Replayfunctionletyouknowyourcartrackwithinamonth Remotemonitoringmonitortheinteriorofcaranywhereanytime CouldremotelyLocatethecarwhilebeingstolenhelptoretrievecar Strongsignalreliableandstableperformance Quick-chargeUSBport SupportmanybrandmobilephonesPSPMP3/MP4PocketPCPDAandotherkindsofproductstosupplypowerandcharging Specifications: 1.Battery:3.7V400mAhLi-ionBattery 2.Stand-by:12days 3.WorkingTime:4-6days 4.ExpansionCard:miniTFCard(notincluded) 5.CallingTime:150-180min 6.NetworkType:GSM/GPRS 7.StorageTemperature:-40~85c 8.WorkTemperature:-20~55c 9.HumidityRange:5%-95%non-condensing 10.FrequencyBand:GSM850/900/1800/1900MHz 11.Color:White/Black 12.Dimensions(LxWxH):3.15x0.98x0.98"(8x2.5x2.5)cm 13.Weight:2.29oz/65g Packageinclude: 1xCarGPSLocator