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🚨 Stay ahead of danger with Kidde’s 10-year peace of mind!
The Kidde Hardwired Smoke Detector 4-pack combines cutting-edge photoelectric sensing with a 10-year lithium battery backup and interconnectivity, delivering reliable, whole-home fire safety. Designed to reduce false alarms and provide clear LED status indicators, this UL 217 9th Edition certified alarm ensures your family is alerted instantly with a loud 85-decibel siren. Easy to install and maintain, it’s the smart choice for modern, safety-conscious homes.












| ASIN | B0DDWNH514 |
| Alarm | Smoke Alarm |
| Best Sellers Rank | #11,008 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #30 in Smoke Detectors & Fire Alarms |
| Brand | Kidde |
| Built-In Media | Mounting Hardware, Two Alarm, User Guide |
| Color | White |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,118) |
| Enclosure Material | Plastic |
| Global Trade Identification Number | 00047871328642 |
| Item Dimensions D x W x H | 1.88"D x 5"W x 5"H |
| Item Type Name | Smoke Alarm |
| Item Weight | 12.8 ounces |
| Manufacturer | Kidde |
| Mfr Part Number | 21032864 |
| Model Number | 20SA10 |
| Number of Items | 1 |
| Operating Humidity | up to 95% relative humidity (RH), non-condensing |
| Power Source | Hardwired |
| Product Style | Modern |
| Sensor Type | Photoelectric |
| UPC | 047871328642 |
| Unit Count | 2.0 Count |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
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