# Kidde Firex Plug-in Carbon Monoxide Detector, 9V Battery Backup, Digital Display

**Brand:** [Kidde](https://shop.coreranger.com/brands/Kidde)
**SKU:** 21029915
**Price:** $42.94 · in stock
**URL:** https://shop.coreranger.com/product/kidde-firex-plug-in-carbon-monoxide-detector-9v-battery-backup-digital-display-100045210

## Specifications

| Spec | Value |
|---|---|
| Model # | 21029915 |
| Included | Batteries |
| Pack Size | 1 |
| Alert Type | Siren |
| Internet # | 100045210 |
| Returnable | 90-Day |
| Store SKU # | 201001 |
| Voltage (V) | 120 |
| Power Source | Plug-In |
| Product Depth (in.) | 1.9 in |
| Product Width (in.) | 3.5 in |
| Battery Type Required | 9-volt |
| Commercial/Residential | Home |
| Alarm/Detector Features | Battery Back-Up,Digital display,Hush Button |
| Certifications and Listings | UL Listed |

## Description

The digital readout of the Kidde Plug-In Digital Carbon Monoxide Alarm with 9-Volt Backup continuously displays carbon monoxide levels from 30 to 999 parts per million (PPM) and will sound an 85dB alarm when dangerous levels are reached. The carbon monoxide level sensed is continuously displayed and updated every 15-seconds and the peak level memory shows the highest level of carbon monoxide present since the last time the unit was reset or unplugged. Protection continues during power outages thanks to a 9-Volt battery backup.

• Carbon monoxide alarm plugs directly into wall outlet
• 9V battery backup for protection even during power outages
• Digital display updates CO level in PPM every 15 seconds