... IP 65 for students,old persons,government,logistics,mobile assets,fleet manag Specification DimensionMain unit : 96mm*51mm*22mmWeightMain unit : 80g ... setupTwo way voice communicationTCP/UDP/SMS/GPRS data transmissionMulti-platform tracking by C/S,B/S, Cell phoneIntelligent power management: ... asset monitorSales, worker in outsidePenal spy; child; elderlyFleet tracking managementTourist tracking