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The Kidde 20SA10 Hardwired Smoke Detector combines a powerful 85dB alarm with a 10-year lithium-ion battery backup, ensuring continuous protection without battery changes. Its advanced photoelectric sensor minimizes false alarms, while interconnectivity allows all alarms in your home to sound simultaneously for faster alerts. Designed to meet UL 217 9th Edition and FCC standards, this smoke detector offers reliable, smart safety with LED warning indicators and self-testing features.


| Brand | Kidde |
| Style | 9th Edition |
| Power Source | Hardwired |
| Color | White |
| Product Dimensions | 1.88"D x 5"W x 5"H |
| Item Weight | 9.39 ounces |
| Alarm | Smoke Detector |
| Operating Humidity | Up to 95% relative humidity (RH), non-condensing |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
| Sensor Type | Photoelectric |
| Material | Plastic |
| Number of Items | 1 |
| Manufacturer | Kidde |
| UPC | 047871328635 |
| Part Number | 21032863 |
| Item Weight | 9.4 ounces |
| Item model number | 20SA10 |
| Size | 1 Pack |
| Shape | Circular |
| Item Package Quantity | 1 |
| Included Components | Alarm, Mounting Hardware, User Guide |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
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