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Kidde · 30CUD10 (10-year battery)

Home safety & tools

Smoke and carbon monoxide combo alarm

Kidde · 30CUD10 (10-year battery)

It warns you about fire and carbon monoxide while you sleep, even when the power is out.

Amazon listing: “Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, 30CUD10, 1 Pack”. Checked on Amazon on November 3, 2026.

Part of: Family Kit Whole-Home Kit

What it does

  • Smoke and carbon monoxide in one unit
  • 10-year sealed battery, no wiring
  • Test and silence button
  • Loud alarm

How to set it up

  1. Mount it in the hallway outside bedrooms, or on a wall or ceiling as the manual says.
  2. Press and hold the test button to make sure it sounds.
  3. Write the install date on it.
  4. Test it once a month.
  5. Replace the whole alarm after 10 years.

Storing and looking after it

Test monthly, dust it gently, replace by the date printed on it.