... Alarm System,car alarm,auto alarm,alarm,alarm system,alarm security,auto alarm system. we are specialized in manufacturing Car Alarm System,car alarm,auto alarm,alarm,alarm system,alarm security,auto alarm system. Function features:1.Arm/Disarm 2 ... warning, Power off memory 7.Remote trunk release 8.Remote transmitter and receiver check code( ... -433.92MHZ Car Alarm System With Central Lock Built-in