siren

Dome Siren

Dome

budget HA: good local: excellent z-wave

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Dome Z-Wave battery-powered siren alarm

Quick verdict

The Dome Siren is a simple, affordable Z-Wave siren that earns its place in DIY alarm setups thanks to battery power. It won't wake the whole block like a mains-powered siren, but it'll work when the power is out — which is exactly when you need it most.

Standout: Battery-powered Z-Wave siren that keeps working during power outages — critical for security applications.

Last checked: 2026-03-25

Compatibility snapshot

Home Assistant good
Apple Home none
Google Home none
Alexa none
Works offline yes
Setup moderate
Extra hub needed yes
Power battery

Why it stands out

  • battery-powered — continues working during power outages
  • compact and portable — can be placed anywhere within Z-Wave range
  • fully local Z-Wave control with multiple chime and siren tones

Reasons to hesitate

  • batteries need periodic replacement
  • lower maximum volume compared to mains-powered sirens
  • requires a Z-Wave coordinator

Best for

  • battery-backed siren for DIY alarm systems that work during power outages
  • portable siren placement without needing a power outlet nearby

Avoid if

  • you need maximum siren volume for a large property
  • you don't want to deal with battery maintenance

Privacy and local-control notes

Z-Wave only, no cloud connection. Fully local. Battery-powered so it works even during power outages.

Home Assistant support: supported · integration path: Z-Wave JS.

Buying reality check

Price notes: Very affordable. Uses standard batteries that are cheap to replace.

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