Detailed Product Description security system, home alarm1. Protection different zone: 32 zones with ... (10 second), it can be recovered. When received alarm message, it speaks as you spoken. 6. NI- ... AC power is off. 7. Telephone manages the alarm system, convenience.8. Phone trunks protected to avoid ... program by the panel keyboard. 13. When received alarm call, you can press the keypad on the phone ...