Car GPS Tracker

1.small size, easy to install; 2.support GSM voice and SMS, UDP protocol communications in GPRS; 3.support protection from high or low level voltage function 4. support 5 levels of signal detection 5.support the data resend from signal dead zone function 6.support remotely locking vehicle function 7.support watching vehicle function 8.support SOS alarm function 9. support the power-off alarm function 10. support the high-voltage under-voltage alarm and alarm functions 11.support over speed alarm function 12. support parking alarm function 13. accurate GPS positioning, dynamic positioning deviation is less than 5 m 14.support illegal door-open, illegal engine-start alarm function 15.support fuel consumption detection 16.support fuel changing alarm 17.support mileage statistics 18.support fatigue driving alarm 19.support temperature detection alarm 20.support Geo-fence alarm 21.support one serial peripherals (such as the car handles, scheduling screen, camera) 22.Support setting 3 authorized cell phone numbers. Each phone number can receive SMS depends thesetup 23.support the two way voice communication function 24.support Call Barring of group numbers function 25.support two way SMS communication via Mobile and PC software 26.support the mute function 27.support authorized tapping function;