With dual network of GSM + telephone cable, the System is more secure and reliable.
  With the quad-band GSM module for global use.
  Includes 2 wired zones and 99 wireless zones.
  Supports code pairing with 8 wireless remote controllers at the most.
  LCD screen with a built-in clock.
   With voice prompts for easy operations.
  Supports an external intercom speaker.
   Supports 3 groups of timed arming and 3 groups of timed disarming.
   The main device can dial alarm calls to 6 preset phone numbers.
  The main device can send text alarm to 3 preset phone numbers.
   With 10-second manual recording function to leave messages.
   With a built-in digital voice device to give voice alarm automatically.
  With built-in SMS service to send alarm messages automatically.
   Supports wireless alarm siren and control by wireless devices (customization).
  With the One-Key-Control function, you can conduct Away Arming, Home Arming, Remote Control Arming or Off-site Telephone Arming.
  Alarm Location Programming: Help, Fire, Gas Leak, Door Lock, Living Room, Window, Balcony, and Perimeter Alarm.
   Includes multiple zone programming functions like Real-Time, Delay, 24 Hour, Bypass.
  With Wireless Self-learning Code Pairing, new accessories can be installed conveniently, safely and effectively.
   Off-site remote control allows Main Device Arming, Disarming, Monitoring, Intercom etc.
   Arming Modes: Remote Control Real-Time Arming, Away Delayed Arming, Home (Stay) Arming, Timing Arming, Off-site Telephone Remote Arming.
  Line Seizure: If an alarm happens, the main device will cut off the busy line and give priority to make a call for the alarm.