Sell Home Use Phone Dialing Alarm System

Home Use Phone Dialing Alarm System 1): Model: LJ-898HD 2): Automatic dialing stored phone numbers 3): High loudness speaker alarming on site. 4): Guard arrangement, evacuation, muting and emergency calling operated by remote controller. 5): Long distance host control by telephone to achieve the function of a remote controller. 6): Intelligent crimes identification. 7): Automatic sound recording. 8): Long distance alarm site monitoring by telephone. 9): Automatic AC/DC switching.