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The Kidde Smoke & Carbon Monoxide Detector 4-pack combines cutting-edge photoelectric and electrochemical sensors to detect smoke and CO with precision. Powered by a sealed 10-year lithium battery, it eliminates the need for battery replacements and reduces false alarms with enhanced sensing technology. Featuring easy twist-and-click installation and intuitive 3-color LED indicators, this UL-certified device ensures reliable, long-lasting protection for every room in your home.


| Brand | Kidde |
| Style | 9th Edition |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 1.88"D x 5"W x 5"H |
| Item Weight | 0.8 Pounds |
| Alarm | Smoke and Carbon Monoxide Alarm |
| Operating Humidity | 10 to 95% relative humidity (RH), non-condensing |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
| Sensor Type | Photoelectric, Electrochemical |
| Material | Plastic |
| Number of Items | 1 |
| Manufacturer | Kidde |
| UPC | 047871328406 |
| Part Number | 21032840 |
| Item Weight | 12.8 ounces |
| Item model number | 30CUD10 |
| Batteries | 1 CR2 batteries required. (included) |
| Size | 4 Pack |
| Shape | Circular |
| Item Package Quantity | 1 |
| Included Components | Four Alarms, Mounting Hardware, User Guide |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
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