... guarding zones, 1 wireless SOS alarm zone, 1 wireless fire alarm zone, 1 external power failure alarm zone, the other 6 wireless zones can be defined ... zones. ) 4. The host automatically stores system status, while its power is off. 5. The system equips backup rechargeable battery. It can ... remotely. 7. Remote arm/disarm, and set the host by wireless keyboard, SMS or any phones. 8. You can increase/ ...