Original kids gps tracker TK203 Monitoring and SOS feature Protect the businessmen ... or GPRS, and check position on google earth.2.Support GPRS data transmission.3.Auto Report position.4 ... is low. Applications1.Protect the elder,kid,employee,etc.2.Protect the businessmen,and manage the outworker.3.Covert ... +70°CRelative Humidity5% to 95 %, non-condensing Watch gps tracker TK203 with 2 way comunication