101 Zones Wireless Home Alarm Security System House Auto Dial Alarm for Fire, Gas Leak, Door Lock, Living Room, Window, Balcony,and Perimeter Burglar With dual network of GSM + telephone cable, the System is more secure and reliable. Includes 2 wired zones and 107 wireless zones. The main device can dial alarm calls to 14 preset phone numbers. With the One-Key-Control function, you can conduct Away Arming, Home Arming, Remote Control Arming or Off-site Telephone Arming. Supports an external intercom speaker.