GPS car alarm system/gps tracking device,car gps alarm tracker 4 band GSM compatible with ... , adjustablemicroSD cardOptionalto save driving records and photosAccessories Battery, GSM/GPS antennas, power/input/output cable, Mic, speaker, buzzer, siren, camera, ... sensor, fix bar, and RS232 connected device Intelligent GPS car alarm system/gps tracking device/ car gps alarm tracker RS3000B1/C1,support ...