# Kidde KN-COSM-BA Battery Powered Smoke & CO Alarm

The **Kidde KN-COSM-BA** Battery Powered Smoke and Carbon Monoxide Alarm is engineered to provide comprehensive home safety. This device combines smoke and carbon monoxide detection in a single unit, ensuring your family's safety. Ideal for general household use, it offers peace of mind with continuous monitoring and reliable performance.

This **Kidde** alarm operates on 3Vdc (2-AA) batteries, guaranteeing functionality even during power outages. With a swift response time of 400 PPM within 4-15 minutes, it quickly alerts you to dangerous carbon monoxide levels. The alarm's sensitivity is 0.86%/Ft ± 0.16%/Ft, guaranteeing precise detection of both smoke and carbon monoxide. It also features a voice alarm that clearly announces the presence of smoke or carbon monoxide.

Key Features:

-   **Dual Protection**: Detects both smoke and carbon monoxide.
-   **Battery Powered**: Operates on 3Vdc (2-AA) batteries for continuous monitoring during power outages.
-   **Voice Alarm**: Clearly announces the type of hazard detected.
-   **Rapid Response**: Responds to carbon monoxide levels of 400 PPM within 4-15 minutes.
-   **Easy Installation**: Designed for simple mounting in any room.

Specifications:

-   Model Number: **KN-COSM-BA**
-   Power Source: 3Vdc (2-AA) batteries
-   Weight: 300 Gm

The **Kidde KN-COSM-BA** is a dependable home safety solution, offering both smoke and carbon monoxide protection. Its reliable performance and ease of installation make it an essential addition to any home. Trust **Kidde** and **Ram Automations** for your safety needs. Contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Kidde
- **Type:** Home & Garden > Safety & Security > Smoke & CO Detectors
- **Tags:** battery powered alarm, carbon monoxide alarm, home safety, Kidde, KN-COSM-BA, smoke alarm

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New | 999.00 USD | In stock |

## Images

- Kidde KN-COSM-BA Battery Powered Smoke & CO Alarm-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/kidde-kn-cosm-ba-smoke-co-alarm)
> Updated: 2026-10-03