No need for monthly payment
TK309 has real-time tracking by SMS / GPRS, GSM quad-band frequency. Overspeed alarm / move alarm / ACC ignition and flameout alert / vehicle oil or circuit alarm, free app with live tracking via Google Maps. The power failure alarm is enabled by a built-in backup battery. Using the GSM/GPRS network and GPS satellites, this product can locate and monitor any remote target via SMS or the internet.