... lost or recovered.8. Built-in intercom horn, walkie talkie can be realized.9. Built-in wireless transmitting ... when alarm.17. Users can make calls by using keypad on alarm panel, just like a telephone.18. ... . Remote control Arm, Disarm, Monitor, and Intercom by phone.22. Event Log Query: host qutomatically records ... , out arm, home arm, timed arm, arm by phone.24. Built-in AAA NI-MH rechargeable battery ...