$109 Kidde Hardwired Interconnected Smoke Detector

Updated August 8, 2026

with Photoelectric Sensor (4-Pack), 20SAR Condition: New Damaged?: No Missing Parts?: No Missing Parts Description: Only has what's shown in pictures UPC: 047871328277 Retailer Product URL: https://www.homedepot.com/p/Kidde-Hardwired-Interconnected-Smoke-Detector-with-Photoelectric-Sensor-4-Pack-20SAR-21032827/328175218 Disclaimer: Items are sold AS IS. We include both stock photos and actual photos of the item in hand. Stock images are for reference only please rely on the actual item photos for condition and details. No refunds will be given if you don't review the real photos or preview the item. If cannot preview item due to not being local, you are bidding at your own risk and discretion. Refunds will not be rendered for item inaccuracies or wrong data being input on lots. Experience the next level of fire safety with the Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable and LED Warning Lights, model 20SAR. This smoke detector has enhanced sensing technology that reduces false alarms often caused by cooking and sends fast alerts that help give your family more time to get out safely. Plus, it is interconnected so when one alarm sounds, they all do so you never miss an emergency (see user guide for compatibility with other Kidde models). This alarm offers a modern 5 in. Design ideal for all living spaces such as living rooms, hallways, kitchens, and bedrooms. Comprehensively tested and designed to the latest UL standard for safety and reliability, the 5 in. Smoke alarm is powered by 120V AC wiring with 2 AA alkaline replaceable backup batteries (included) for continual detection even during outages. Batteries should be replaced every 6 months.

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