widely used for household tracking; children, the elder, and pets’care and the trace for lost cars or other possessions revert a message including the information about addresses/longitude and latitude/web site content in a minute automatically make a call to the number which you set before when there is a sound above 45 db within 10 miters around the device LBS Positioning SOS Emergency call How does it work: 1.Insert a mobile phone SIM card in […]