our product feature: 1.basic function: set up security alert; de-activate of anti-theft alert; dangerous for assistance warning; alarm variety of ways; vehicle position inquiry; 2.common function : Remote closed engine; vehicle maintenance function; intelligent voice prompts; remote monitoring and call in car; alarm number settings; 3.additional function: network car management; vehicle tracking management; speeding alarm settings; electronic fence set up; automatically from top to bottom lock; door open warning; automatically activate guard options; alarm content prompted; car status inquiry The greatest superior of us is we not only provide perfect and professional gps/gsm personnel,car safe series product ,but also develop some relational monitor manage software with product,and offer several languages editions monitor manage software ,to assure different country user get best product and service.everyone can login our test system: http://gpsvip.vicp.cc , user name is ruiming1,password is 123456,if you want know more about us ,pls login our company website http://www.gpsruiming.com