Smoke alarms / Kidde

Kidde 20SAR-WCA

Smoke and low-battery app alerts; hardwired power with two AA backup cells.

Listed in Canada
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Kidde 20SAR-WCA product photoApp shown

Photo: Kidde

Connections: Wi-Fi 2.4 GHz

Regional versions and model notes
  • United States: exact local listing unconfirmed
  • Australia: exact local listing unconfirmed
  • United Kingdom: exact local listing unconfirmed
  • Listed in Canada
  • No Google/HomeKit/Alexa compatibility asserted from packaging alone.
  • Hardwire interconnection only with models specified in manufacturer compatibility guide.
  • No claim of compliance outside documented market; installation design, local requirements and monitoring availability require verification.
  • Official page image/alt mismatch: smoke-only 20SAR-WCA served CO hero; rejected rather than reused.

What it can do

Shared setup

  • Use a compatible phone for this app.

Setup

  • Kidde app and home Wi-Fi; no separate hub documented.

Features and the setup they need.

Features, setup and recorded confirmation
Feature & setupConfirmation & sources

Smoke and low-battery app alerts; hardwired power with two AA backup cells.

Device feature

✓ Manufacturer confirmed

kiddecanada.com · 2026-10-26

Kidde app

Device feature

Works with Kidde.

✓ Manufacturer confirmed

kiddecanada.com · 2026-10-26

Model and source notes
  • No Google/HomeKit/Alexa compatibility asserted from packaging alone.
  • Hardwire interconnection only with models specified in manufacturer compatibility guide.
  • No claim of compliance outside documented market; installation design, local requirements and monitoring availability require verification.
  • Official page image/alt mismatch: smoke-only 20SAR-WCA served CO hero; rejected rather than reused.

Where we checked

Features are based on the linked manufacturer documentation. Household results also check the equipment and software you select. How we check.