1）當你需要在一個擁擠的停車場里找到自己的車； （2）當你在戶外探險時候需要找到某個曾經去過的地方（返回出發點）； （3）當你需要其他定位功能；這款shuoying迷你型GPS定位系統可以幫上你的忙 最多可存儲三個地址； 使用高靈敏度GPS接收系統 自適應；； 僅需兩個AAA電池（需自行另購） Specification ElectricalCharacteristics GPSchipset Highsensitivitysinglechipsolution Frequency L1,1575.42MHz C/ACode 1.023MHzchiprate Channels 48channelsall-in-viewtracking Sensitivity Tracking:-158dBm Display LCD Type:ICON;Diameter:30mm;Shape:Round BacklightColor White Power BatteryType AAAX2orNiMH OperatingTime 6hours PhysicalCharacteristics Dimension 80X66X23(mm) NetWeight 42grams,withoutbatteries DynamicCondition AccelerationLimit Lessthan4g AltitudeLimit 18000meters(60000feet)maximum SpeedLimit 515meters/second(1000knots)maximum JerkLimit 20m/sec**3 AcquisitionRate HotStart 1second(average) WarmStart 38seconds(average) CordStart 42seconds(average) Reacquisition 0.1second(average) Antenna GPSAntennaTypes 15X15mm,PatchAntenna Accuracy PositionHorizontal 10meters,2DRMS 1-5meters3DRMS,WAAScorrected VelocityAccuracy 0.1m/sec TimeAccuracy 1micro-secondsynchronizedtoGPStime Temperature OperatingTemperature -15°C~60°C StorageTemperature -30°C~85°C Humidity Operationalupto80%non-condensing Authentification FCC USA(CoversrequirementsforCANADAICES-003) CE Europe