lanyard or Linked to GSM/GPRS gps tracker for persons and pets

1.Vehicle rental / Fleet management,etc. 2.Protect the child / the elder / the disabled / pet,etc. 3.Businessmen safety.   GeneralWorking based on existing GSM/GPRS network and GPS satellites, this product can locate and monitor any remote targets by SMS or GPRS,and guard against theft of Vehicle.Features1. You can get target’s latitude and longitude by SMS or GPRS, and check position by google earth.2. Auto Report position.3. Send the last location if it enters into the blind area.4. Add or change Username and Password.5. SOS ALERT6. Monitoring remotely7. Double-way communication,8. dial the admin number automatically9. shaking sensor function10. TLIMIT function11. support DNS12. be on/off by command13. set up commands by software14. set up commands by gprs server Application1. Vehicle rental / Fleet management,etc.2. Protect the child / the elder / the disabled / pet,etc.3. Businessmen safety.4 .Personnel management.5. Covert tracking.  Application1. Vehicle rental / Fleet management,etc.2. Protect the child / the elder / the disabled / pet,etc.3. Businessmen safety.4 .Personnel management.5. Covert tracking.  SpecificationContent Specs. Dim. 80MM*56MM*22MM Weight 50g Network GSM/GPRS Band 850/1800/1900Mhz or 900/1800/1900Mhz GPS sensitivity -159dBm GPS chip SIRF3 chip GPS accuracy 5m Battery DC5V input Battery Chargeable changeable 3.7V 800mAh Li-ion battery Standby 100hours Storage Temp. -40°C to +85°C Operation Temp. -20°C to +55°C Humidity 5%--95% non-condensing