a vehicle tracking device with built-in GPS and GSM modules with compact size. It can transmit the longitude and latitude coordinate to your cell phone by the short message service, then you can find its location on the free Google maps or any other map software.
It doesnt need any support from a service center or platform ,neither does it get any software involved in,which means the user is able to control his own car all by himself and it is abosolutely free for use.
It also provides input ports which enables the user to upgrade his original car alarm system into a GSM alarm system with one single cable.
a vehicle tracking device with built-in GPS and GSM modules with compact size |