Functions: 4 zones can regular arm add two 24 hours wireless zones 2 partitions, the first can use lonely With dual machine, alarm through the public phone net 4 groups numbers can set the voice number, also can set center number Can control through the phone, such as arming /arm away, monitor, control the appliance through the one channel switch signal. Release the alarm through setting code by remote. Can release the alarm during the alarm and listening to the phone. If choose Lebrun SG2000 center control software, can render the information to the center to a complete alarm system.