● 16 wireless zones. ● The alarm type and delay can be reset. ● Auto study code. ● 10 seconds recordable alarm message. ● Built-in telephone dialer : 4 numbers programmable,2 numbers monitoring stations. ● Work offline or on Internet, or both together. ● Support Contact ID to transmit alarm information to CMS. ● High siren is optional; also it can be set silent. ● Tamper-proof - timely test sensor status. ● Remotely arm/disarm through telephone. ● Auto timely test on CMS. ● Authority level management. ● Dimension: 116×115×30mm