... 99 wireless defense zones 3.LED display New GSM wireless home alarm system with color LCD screen(GS-M2B ) Function Instruction:1 ... : when alarming, system will send alarming SMS automatically;7.10-second automatic message recording;8.Built-in artificial intelligent digital voice announcer ... like a telephone;11.One-key-control function: Out Arm, Home Arm, Remote Arm;12.SOS, fire, gas, door, hall, ...