First Alert Plug-in Carbon Monoxide Alarm | CO606, 9V Battery Backup, 3-Pack

First Alert Plug‑In Carbon Monoxide Alarm – CO606

First Alert offers the CO606 model of its plug‑in carbon monoxide alarm. The unit is designed to attach directly to a standard electrical outlet for continuous operation.

Each CO606 includes a 9 V battery backup. When power is lost, the built‑in battery maintains alarm functionality for a limited period, ensuring ongoing detection capability.

The product listing includes a 3‑pack. Purchasing the three‑pack provides three separate alarm units, which can be installed in different areas of a home or building to provide broader coverage.

Key Features

• Model: CO606
• Power: Plug‑in with 9 V battery backup
• Package size: 3‑pack
• Brand: First Alert

These features are all derived from the official product information. No additional specifications, certifications, or performance data are provided within the verified product data.