Hi there. First time poster here.
I have a galaxy g2-20 Alarm panel that I wish to add the Pyronix twin alert sounder to it from here https://www.securitywarehouse.co.uk/catalog/intruder-alarm-c-36/sounders-c-36_45/internal-sounders-c-36_45_139/pyronix-twin-alert-internal-sounder-p-345.html
I...
