Gps tracker with car speed limit to cut car engine if driver over speed from itracgps

This gps tracker from itracgps , car owner can set an allowed speed , gps tracker can cut car engine when driver over speed but in a safe way , it keeps on reminding driver to slow down , otherwise car will stop; if driver not follow , Gps tracker will cut engine after 1 minute . Let us see video . For more details contact sales@i-trac.cn, thanks.