... 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/decrease ...