1: Intelligent One Way Car Alarm With Voice Reminder 2: One Way Car Alarm System with Voice 3): Low Price Car Alarm Intelligent Car Alarm With Voice ReminderWe have been producing car alarm system including one way and two way since 1998 here in China. Here below features are the intelligent type car alarm system with voice reminder:1.Arm/Disarm 2.Warning identification, Anti-hijacking 3.Central ...