Apply advanced mobile communication technology, support SMS and dialing alarm.8 wired defense zones and 99 wireless defense zones.At most 5 wireless remote control codes.LCD display.Built-in clock .Operate easily.Sound prompt for all operations.SMS prompt for all operations.SMS prompt when AC power lost or recovered.Built-in intercom horn, walkie talkie can be realized.Built-in wireless transmitting module, could be coding with wireless siren and smart home appliance.(optional)1 group of timely Arm and Disarm timing function. Can store 6 group of phone numbers:when alarming, system will make alarm call to these numbers automatically. Can store 2 groups of SMS numbers:when alarming, system will send alarming SMS automatically.10-second recording.Built-in artificial intelligent digital voice announcer.Built-in SMS message, could be send alarm message automatically when alarm.Users can make calls by using keypad on alarm panel, just like a telephone.One-key-control function:Out Arm, Home Arm, Remote Arm.Real-time, delay , 24 hours, bypass defense zones programming function.Wireless coding:easy to add additional wireless accessories.Remote control arm, disarm, monitor, and intercom by phone.Event log query:host automatically records 40 pieces of all information concerning arm, disarm and alarm events. Multi-type of arm:remote control arm, out arm, home arm, timed arm, arm by phone.Built-in lithium rechargeable battery:make alarm when power off. Technical parameters: current: 1A; Static consumption: <55mA; Alarm current: <450mA; Wireless frequency: 433MHz/315MHz; Encoded mode: 2262/4.7Mohm; GSM: 850/900/1800/1900MHz; Backup battery: Lithium rechargeable battery DC7.4V; Siren volume: 110dB