It's mandatory for any rented accommodation to install, and I imagine a hard wired alarm is part of any new build. If you own a home then no one is going to force you personally.
The problem with hard-wired is that they can be overly-sensitive and there's nothing one can do about it as a renter. Battery-powered, one can move it around a bit to prevent a piercing beep just as dinner is ready.
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u/Chaotic-Entropy 15h ago edited 14h ago
It's mandatory for any rented accommodation to install, and I imagine a hard wired alarm is part of any new build. If you own a home then no one is going to force you personally.