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The Kidde Plug-In Smart Carbon Monoxide Detector for Home with AA Battery Backup, Real-Time Notifications, Model COPDW is the ideal solution for homeowners that want to help make their families safer by detecting carbon monoxide gas. This Kidde smart carbon monoxide detector alarm features easy plug-in installation and two AA alkaline backup batteries (included) with no wiring required. Be in the know anywhere and get instant real-time notifications on your phone with the Kidde App. This CO detector features an advanced electrochemical sensor detects dangerous levels of CO. When carbon monoxide is detected, a loud 85 dB alarm sounds alerting you to evacuate outside to fresh air, while the peak level memory keeps track of CO incidents. The test-hush button allows you to test the battery functioning as well as temporarily silence the low battery chirp warning. UL Certified with a 10-year limited manufacturer's warranty.
Carbon monoxide detector sounds an 85 dB alarm when CO is detected
Real‑time notifications through the Kidde App and works with leading smart home devices
Eliminates low‑battery chirps for uninterrupted sleep
Rotating plug allows upright installation in vertical or horizontal outlets without blocking the second socket
Backlit digital display provides clear status and readings
End‑of‑life reminder alerts you when it’s time to replace the detector after 10 years
Peak level memory displays the highest CO concentration detected since the last reset
Test/Hush button checks alarm operation and silences unwanted alarms
2 AA battery backup (batteries included) for 24/7 protection during power outages
10-year limited warranty for the entire life of the device
UL 2034, 5th edition
| Part Number | 21033818 |
|---|---|
| Accessories List | Backup Battery, Batteries Included |
| Advanced Features | Continuous Duty, Display Indicator, Low Battery Indicator, Testing Button |
| Alarm Type | Beep |
| Assembled Height (cm) | 13.90 cm |
| Assembled Height (ft) | 0.46 ft |
| Assembled Height (in) | 5.47 in |
| Assembled Length (cm) | 7.40 cm |
| Assembled Length (ft) | 0.24 ft |
| Assembled Length (in) | 2.91 in |
| Assembled Width (cm) | 3.90 cm |
|---|---|
| Assembled Width (in) | 1.54 in |
| Assembled Width (mm) | 39.00 mm |
| Audible Alarm Strength (db) | 85 dB |
| Certifications | UL Listed |
| Consumer Pack Size | 1 |
| Cord Length (ft) | 0.00 ft |
| Cord Length (m) | 0.00 m |
| Maximum Operating Temperature (°C) | 37.80 °C |
| Maximum Operating Temperature (°F) | 100.04 °F |
| Minimum Operating Temperature (°C) | 4.40 °C |
| Minimum Operating Temperature (°F) | 39.92 °F |
| Number of Pieces | 1 |
| Package Depth (cm) | 6.20 cm |
| Package Depth (in) | 2.44 in |
| Package Height (cm) | 14.40 cm |
| Package Height (in) | 5.67 in |
| Package Weight (kg) | 0.30 kg |
| Package Weight (lb) | 0.66 lb |
| Package Width (cm) | 14.40 cm |
| Package Width (in) | 5.67 in |
| Power Source | Plug In |
| Primary Colour | White |
| Product Use(s) | Carbon Monoxide Detector |
| Range (ft) | 9.84 ft |
| Range (m) | 3.00 m |
| Sensor Type(s) | Electro-Chemical |
| Shelf Life (year) | 10 yr |
| Smart System Compatibility | iOS App |
Only Show Differences | ||||||
| Ratings | ||||||
| Accessories List | Backup Battery, Batteries Included | Backup Battery | Backup Battery | Mounting Hardware, Batteries Included | Batteries Included, Mounting Hardware | |
| Advanced Features | Continuous Duty, Display Indicator, Low Battery Indicator, Testing Button | Continuous Duty, Display Indicator, Low Battery Indicator, Testing Button | Continuous Duty, Display Indicator, Low Battery Indicator, Testing Button | Display Indicator, Low Battery Indicator, Testing Button, Continuous Duty | Automatic Calibration, Continuous Duty, Display Indicator, Low Battery Indicator, Memory Recall Indicator, Mute Button, Reset Button, Tamper-Resistant, Testing Button, Voice Alert | |
| Alarm Type | Beep | Beep | Beep | Beep | Beep, Talking, Flashing Light |

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