... Fuel sensor(option)2,Support SD card3,Compatible with car anti-theft system4,Absolute street address by SMS Track with ... parameters by USB28,Less GPRS traffic29,ACC working alarm30,GPS drift suppressionOptional functions:31,Quiver alarm32,siren/horn33,Accident ... fleet/logistics/Vehicle rental Technology parameter:1,GPS chip: SIRF3chip 2,GPS sensitivity: -159dBm 3,GPS accuracy :5m 4,Time To First ...