Use China Mobile or China UnicomSIM card opens GPRS and traffic for GPS positioning, and accesses the GPS Global Position Cloud Location Website or APP real-time query location and movement trajectory through the machine with IMEI number. SOS can be sent and monitored through kinship number setting. The machine uses back magnets for adsorption.
Lithium battery, rated voltage4.2V. Super power saving mode, sustainable standby for 3 months.
Size:95*63*23mm