wants to be an switched out & not the speaker one...
test- remove battery from panel touch the red wire to the red terminal & the black wire to the black termial
Not that I buy 'em, a trade discount of 19.5% on the leading security wholesalers web portal still leaves ebay £21.60 cheaper....
I'd assume the equipment the installer has spec'd is a reflection on what he's thinks you'll spend, eg there's no way you'd pay for webway
no different than-
Security..... you'll normally find that do a 1/2 decent job change the codes of their lock, alarm, router ect... from 1234 or whatever it leaves the factory with
go on google, find the manual default the system back to factory engineer code,