... SOS1 A/D Input port( Fuel monitoring)1 Output port ( Car engine control )3 Extend ports ( Input/Output control by ... :Taxi companies, Passenger transportation,Public Bus,Transportation, Automobile Sales,Car RentSpecial-type Security IndustryWhy choose us?1) Now Noran is ... becoming the leading manufacturer of Vehicle GPS Trackers in China. Thanks to our staffs hardworking and sincere service for more ...