Only the member that got the control of the burglar alarm systme can act on it, for example: disarm the system.
Other member will only have the possibility to see the status.
For more information about how to give control of the burglar alarm system to other house member check the tutorial: https://www.youtube.com/watch?v=_qEkuebND6U&list=PLlaDNT-XSIbcAbndD7ENMUMoSZXDKOm0o&index=5