A Z-Wave 800-series / Long Range retrofit shield that snaps onto Ei Electronics 10-year smoke and heat alarms to report fire events locally over Z-Wave. It transmits detection over Z-Wave to Z-Wave JS on the local mesh with no manufacturer cloud. Just note: The Ei smoke/heat alarm must be purchased separately.
Notes last checked Jun 2, 2026.
Compatibility snapshot
Home AssistantexcellentFull local control, no cloud needed. Native Home Assistant integration or a local protocol.
Apple HomenoneNo official support on this platform.
Google HomenoneNo official support on this platform.
AlexanoneNo official support on this platform.
Works offlineyes
Setupintermediate
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 Aeotec Ltd. ZWA050 (SmokeShield for Ei Smoke Detectors) (github.com, checked Sep 10, 2026)
Why it stands out
Adds local Z-Wave (incl. Long Range) reporting to well-built Ei 10-year alarms
Modern 800-series silicon with ~5-year battery and long range
No cloud; integrates via Z-Wave JS
Reasons to hesitate
The Ei smoke/heat alarm must be purchased separately
Primarily an EU/Ei-ecosystem product (check regional availability)
It is a transmitter shield, not a standalone smart detector
Best for
Ei Electronics alarm owners wanting local Z-Wave fire alerts
Avoid if
you don't want to run a Z-Wave controller
Privacy and local-control notes
It transmits detection over Z-Wave to Z-Wave JS on the local mesh with no manufacturer cloud.
Home Assistant support: supported · integration path: Z-Wave JS.
Buying reality check
Price notes: Around $47. Among the more affordable options in this category.
