... ; 3)GPS &GSM antenna; 4)remote engine off by SMS;microphone calling Preface CD-810 Vehicle Real Time GPS Tracker Welcome ... own platform-Remote Engine Cut Off.- Suit for tracking cars, bus, taxi, rent cars, workers, children, pets, equipment etc.Primary Competitive ... unit, 1 wire, 1 GSM Antenna, 1 GPS Antenna, 1 microphone, 1 Speaker, 1manual."Package: White boxPackage Dimension:130mm*205mm*90mm ...