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.
Notes last checked May 31, 2026.
Compatibility snapshot
Home AssistantgoodReliable local integration with minor caveats (a hub, manual config, or polling). Core function works locally.
Apple HomenoneNo official support on this platform.
Google HomenoneNo official support on this platform.
AlexanoneNo official support on this platform.
Works offlineyes
Setupmoderate
Extra hub neededyes
Powerbattery
Local control facts
Home Assistant: zwave_js integration, Local Push (home-assistant.io, checked Sep 10, 2026)
Z-Wave JS: in the device database, listed as Elexa Consumer Products Inc. DMS01 (Dome Wireless Siren) (github.com, checked Sep 10, 2026)
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
runs on specialty CR123A lithium batteries, not standard AA/AAA
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. Runs on 2x CR123A lithium batteries - a specialty cell that costs more than standard AA/AAA.
