... data communication,setup record interval,read history data and etc.Apply FieldElder,chilren,pet,Notebook navigation,PDA ... consume,operation easy,record almost 10000 of data and etc.Correlative GroupwareGPS main devicespecification,certificate,charger,USB, ... bluetooth transfersOrientation precision10 m, 2D RMSBattery3.7V replacing and recharges ,1100 mAh battery Work temperature -25°-- 65° CWork ...