4 wired and 6 wireless defense zones. Can preset and store 6 voice phones and 3 message phones; Remote two-way intercom; Built-in intercom speaker. Telephone(mobile phone) remote control programming. SMS remote control preset arm or disarm the main panel. SMS alarm content can be changed. 3 groups of timely arm and disarm. 2 groups reply to timely control the home appliances open or close. Can connect wireless siren(Option). 10-second automatic message recording. Built-in intelligent English message. Alarm locking memory and information clear for easy checking. One-key-control function: Out Arm, Home Arm, Remote Arm. Wireless intelligent learning encoding and comply additional accessories. Arm, disarm, monitor and intercom by remote calling the alarm unit. Real-time, delay, 24 hours, bypass defense zones programming function. Built in NI-HI rechargeable battery is available to provide power supply nearly 5hours automatically after power off. AC and DC dual use are available for 24-hours-a-day normal guard. Main unit anti-tamper and low-voltage detecting function.