What is Carbon Monoxide?
Carbon Monoxide (CO) is colorless, odorless and tasteless poison gas that can be fatal when inhaled.
Potential Sources of CO
There are several different sources that carbon monoxide can come from within the home.
Signs of CO in Pets
53% of pet owners cannot identify the symptoms of CO poisoning because they are often nonspecific.
Kidde Carbon Monoxide (CO) Detectors – Plug-In Comparison Chart
 CO Alarm |  CO + Digital Display |  Explosive Gas + CO Alarm |  10-Yr CO Alarm |  10-Yr + Voice CO Alarm |  10-Yr + Light CO Alarm |  Smart CO Alarm | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Detection Type | Carbon Monoxide | Carbon Monoxide | Explosive Gas, Carbon Monoxide | Carbon Monoxide | Carbon Monoxide | Carbon Monoxide | Carbon Monoxide & Air Quality |
Power Source | Plug-In; 2AA Backup (included) | Plug-In; 9V Backup (included) | Plug-In; 9V Backup (included) | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup |
No Battery Changes/Night Chirp | — | — | — | — | ? | ? | ? |
Digital Display | — | ? | ? | ? | ? | ? | ? |
Peak Level Memory | ? | ? | ? | ? | ? | ? | ? |
Event Memory | ? | — | — | — | — | — | — |
Voice Alerts | — | — | — | — | ? | — | ? |
Connects to WiFi & Kidde App | — | — | — | — | — | — | Real-Time App Notifications |
Tamper Resistant | ? | ? | ? | — | — | — | — |
Night Light | — | — | — | — | — | ? | — |
Mounting Options | Outlet;90-Degree Rotating Plug | Outlet | Outlet, Wall Mount, & Tabletop | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug |
UL Listed | ? | ? | ? | ? | ? | ? | ? |
Detects CO
Alerts to the odorless toxic gas that can come from fireplaces, furnaces, gas appliances, vehicles, & generators.
Test/Reset Button
Push the test button to check for proper operation & to reset the alarm. Alarms should be tested weekly.
UL Certified
Tested & certified by UL.
Event Memory
If CO concentrations of 100ppm or greater are detected, the green LED will flash every 10 seconds.
Tamper Resist
Should the detector come loose from the outlet or unplugged, the unit can be activated to cause the detector to alarm.
Plug-in with Battery Backup
Place the 2 AA batteries in the back of the unit & plug the detector directly into an electrical outlet to operate.
What is Carbon Monoxide?
Carbon Monoxide (CO) is colorless, odorless and tasteless poison gas that can be fatal when inhaled.
Potential Sources of CO
There are several different sources that carbon monoxide can come from within the home.
Signs of CO in Pets
53% of pet owners cannot identify the symptoms of CO poisoning because they are often nonspecific.
Kidde Carbon Monoxide (CO) Detectors – Plug-In Comparison Chart
CO Alarm | CO + Digital Display | Explosive Gas + CO Alarm | 10-Yr CO Alarm | 10-Yr + Voice CO Alarm | 10-Yr + Light CO Alarm | Smart CO Alarm |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Detection Type | ||||||
| Carbon Monoxide | Carbon Monoxide | Explosive Gas, Carbon Monoxide | Carbon Monoxide | Carbon Monoxide | Carbon Monoxide | Carbon Monoxide & Air Quality |
| Power Source | ||||||
| Plug-In; 2AA Backup (included) | Plug-In; 9V Backup (included) | Plug-In; 9V Backup (included) | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup |
| No Battery Changes/Night Chirp | ||||||
| — | — | — | — | ? | ? | ? |
| Digital Display | ||||||
| — | ? | ? | ? | ? | ? | ? |
| Peak Level Memory | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Event Memory | ||||||
| ? | — | — | — | — | — | — |
| Voice Alerts | ||||||
| — | — | — | — | ? | — | ? |
| Connects to WiFi & Kidde App | ||||||
| — | — | — | — | — | — | Real-Time App Notifications |
| Tamper Resistant | ||||||
| ? | ? | ? | — | — | — | — |
| Night Light | ||||||
| — | — | — | — | — | ? | — |
| Mounting Options | ||||||
| Outlet;90-Degree Rotating Plug | Outlet | Outlet, Wall Mount, & Tabletop | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug |
| UL Listed | ||||||
| ? | ? | ? | ? | ? | ? | ? |