I don't get you point at all mate🤣
So your point is Delks are too expensive?
End of the day you can pick up a none-remote alarm for a tenner, or you can go for the top shelf Delks at 60.
If you want remote you can get cheapo alarms or you can get Delks at 135 a pop.
It's the same with all the top end alarms - Fox, Nash, Nevs, etc etc.
You can always go budget - JRC, Prologic, Wychwood etc. No one is forced to buy top end stuff.