... is a new product based on the GSM / GPRS network and GPS satellite positioning system, which set multiple functions of security, positioning, ... group, group-to-group monitoring.7 Set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking ... moving objects tracking. How to Use: Packing Details: Box size:13cm*19cm* 5.7cmGross weight0.7kgCarton size53.4cm*39. ...