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The Kidde 20SA10 Hardwired Smoke Detector combines cutting-edge photoelectric sensing with a 10-year lithium battery backup and interconnectable design, delivering reliable, low-maintenance fire safety. Its 85-decibel alarm, LED status indicators, and UL 217 9th Edition certification ensure your home stays protected with minimal false alarms and maximum peace of mind.


| 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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