$65 Hardwired and 3-Year Replaceable Battery Backu

Updated August 28, 2026

p Combination Smoke and Carbon Monoxide Detector w/ Voice Alarm Condition: Uninspected Returns Damaged?: Unknown Missing Parts?: Unknown Missing Parts Description: Only has what's shown in pictures UPC: 017801703122 Retailer Product URL: https://www.homedepot.com/p/Universal-Security-Instruments-Hardwired-and-3-Year-Replaceable-Battery-Backup-Combination-Smoke-and-Carbon-Monoxide-Detector-w-Voice-Alarm-USI-SMCO-HWREP/334547211 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 unparalleled protection with the USI Hardwired Combo Smoke, Fire, and Carbon Monoxide Alarm. Equipped with Sensing Plus Multi-Criteria Detection, this advanced Photoelectric alarm accurately identifies both slow-burning and fast-flaming fires, ensuring early detection and rapid response. An included electrochemical sensor detects carbon monoxide, for a single compact home safety solution. This hardwired alarm sends alerts to compatible hardwired alarms in the home for comprehensive coverage. Backup battery power ensures continuous protection during power failures. This alarm features a voice alarm, offering clear guidance differentiating between fire and CO alerts and replacement reminders. Advanced technology reduces nuisance alarms, minimizing disruptions from activities like cooking. Easily silence a false alarm with the test/silence button.

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