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Internet # 334547433

Model # USI/SM/HW10YR/P

Store SKU # 1013748576

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Hardwired and 10-Year Battery Backup Smoke Detector with Photoelectric Sensor and Voice Alert

$42.38
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  • UL certified for safety and reliability
  • 10-year sealed backup battery ensures continuous protection
  • Voice alarm provides clear guidance
  • View More Details

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Product Details

About This Product

Experience unparalleled protection with the USI Hardwired Smoke Alarm with 10-Year Battery Backup. 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. This hardwired alarm connects to other hardwired alarms in the home to provide comprehensive coverage throughout the space. The 10-Year sealed backup battery ensures continuous protection and replaces annoying low-battery chirps with a single end-of-life alert after 10 years to remind you it's time to replace your smoke alarm. This alarm features a voice alarm, offering clear guidance differentiating between fire alerts and replacement reminders. Advanced technology reduces nuisance alarms, minimizing disruptions from activities like cooking. Should you experience a false alarm, easily silence it with the test/silence button. With UL certification, you can trust in the reliability and performance of USI Hardwired Smoke Alarms. Invest in peace of mind and protect your loved ones with this advanced home safety solution. With over 50-years of experience as a leader in home safety, USI provides reliable, long-lasting protection for your home.

Highlights

  • Click here to view the Entire Universal Security Instruments assortment
  • Sensing plus multi-criteria detection accurately identifies both slow-burning and fast-flaming fires
  • Interconnected alarms - for optimal safety, once 1-alarm sounds, every compatible device will sound
  • Voice alerts - the alarm clearly announces fire and other important alerts, like when it's time to replace the battery, providing you with real-time information
  • 10-year sealed backup battery- eliminates low battery concerns and ensures continuous protection
  • End-of-life alerts- provides timely reminders for alarm replacement
  • Superior False Alarm Resistance- Reduces nuisance alarms, minimizing disruptions
  • Meets the requirements of leading safety organizations: Underwriters Laboratories (UL) 217 8th Edition, Federal Housing Authority (FHA), Housing and Urban Development (HUD), and the National Fire Protection Association (NFPA)
  • Easy Installation- Simple setup for hassle-free installation
  • Tamper-proof alarm design engineered to prevent unauthorized removal, disassembly, or battery access
  • Dust/Paint Cover: Protects the alarm during construction or renovations
  • 85 decibel alarm can easily be heard from a distance or wake family members from sleep for fast response
  • 10-year limited warranty on alarms
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 334547433

Model # USI/SM/HW10YR/P

Store SKU # 1013748576

Specifications

Dimensions

Product Depth (in.)

1.7 in

Product Width (in.)

6.1 in

Details

Alarm Sensor Type

Photoelectric

Alarm/Detector Features

10-Year Battery, Battery Back-Up, Hush Button, Light Indicator, Tamper Resistant

Alert Type

Siren, Voice

Commercial/Residential

Home

Included

Battery Back-Up, Installation Kit, Mounting Hardware, Owner's Manual

Pack Size

1

Power Source

Hardwired

Returnable

90-Day

Voltage (V)

120 V

Warranty / Certifications

Certifications and Listings

ETL Listed

Questions & Answers

Do i need tp buy a harness? Or one is included with each detector?
ByMay 19, 2026
1 Answer | 
Answer This Question

Thank you for your question, the harness is included.

By|May 21, 2026


    Do this unit self test???
    ByApr 29, 2026
    1 Answer | 
    Answer This Question

    Thank you for your question, no unit do not self test.

    By|Apr 30, 2026


      Can it be interconnected with universal wired+10 yr lithium baterry smoke/co detectors?
      ByApr 29, 2026
      1 Answer | 
      Answer This Question

      Thank you for your question, these can be interconnected with 8th edition alarms. UL 217 6th Edition hardwired ionization alarms are not directly compatible or interchangeable with UL 217 8th Edition alarms.

      By|Apr 29, 2026


        Is this compatible with a GN-503 mounting base?
        ByJan 23, 2026
        1 Answer | 
        Answer This Question

        Thank you for your question, no these are not compatible. UL 217 6th Edition hardwired ionization alarms are not directly compatible or interchangeable with UL 217 8th Edition alarms. These models differ significantly in performance standards, testing requirements, and detection technology, particularly in how they respond to smoldering fires and modern nuisance sources. For proper operation, all alarms on the same interconnect line must match. When replacing older hardwired alarms, we recommend replacing all devices in the interconnected system to ensure full compatibility and reliable communication between units.

        By|Jan 23, 2026


          Does the unit itself have “photoelectric” written on it any where? Can someone place a photo of the back of the unit so I can see the wording on it?
          ByNov 20, 2025
          1 Answer | 
          Answer This Question

          Thank you for your question, this unit does not list "photoelectric" on the product. This is a photoelectric unit. I will share your feedback with our Quality Control team.

          By|Nov 24, 2025


            I installed 6 units. One of the smoke alarms is going off in the middle of the night. The silence button does not stop it. I have to cut the power and disconnect/reconnect the unit. What will stop this?
            ByOct 17, 2025
            1 Answer | 
            Answer This Question

            Thank you for your feedback, we are sorry to hear about the issue with your product. Ensure the alarm is properly connected to both the 120V AC power and the sealed battery. If the battery is deactivated or dead, the alarm may not function correctly. For additional assistance feel free to contact us before returning to your retailer, please contact customer service at feit.com/help for assistance.

            By|Oct 17, 2025


              are these alams compatable with kiddie products
              ByAug 21, 2025
              1 Answer | 
              Answer This Question

              Thank you for your question, they are not compatible with other brands.

              By|Jan 24, 2026

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                Viewing 1-7 of 7

                Customer Reviews

                4 out of 5

                • 4 out of 33 reviews
                • 0% recommend this product
                Filter by:
                Showing 1-10 of 33 reviews
                Not reliable
                Brand new set of three, upon installing the last one, the last one said low battery. There’s no way to check the health of the battery. Apparently 10 years means 10 minutes. This 10 year internal battery idea sound nice, until you realize you can’t rely on it, and you can’t change the battery. Wasted hours.
                by
                Response from Product ExpertMar 6, 2026
                Thank you for your feedback, we are sorry to hear about the issue with your product. At your convenience feel free to contact us before returning to your retailer, please contact customer service at info@universalsecurity.com for assistance.
                  This customer chose to rate the product and not provide text.
                  by
                  • Verified Purchase
                  This Smoke Detector was easy to install and I like easy! Totally recommend this product for your smoke detector needs!
                  by
                  • Verified Purchase
                  This customer chose to rate the product and not provide text.
                  by
                  • Verified Purchase
                  This customer chose to rate the product and not provide text.
                  by
                  • Verified Purchase
                  This customer chose to rate the product and not provide text.
                  by
                  • Verified Purchase
                  Easy install - would purchase again.
                  by
                  Exactly what I needed and works great
                  by
                  Continues to go off in the middle of the night
                  I wanted to try a brand I haven't used before. These smoke detectors are not reliable. Two detectors continue to go off in the middle of the night. I finally couldn't silence them so I took a hammer to it. I would not recommend and installed Kidde again.
                  by
                  Response from Product ExpertApr 22, 2026
                  Thank you for your feedback, we are sorry to hear about the issue with your product. At your convenience feel free to contact us before returning to your retailer, please contact customer service at info@universalsecurity.com for assistance.
                    Error message after installation indicated unit should be sent back to company.
                    by
                    Response from Product ExpertApr 15, 2026
                    Thank you for your feedback, we are sorry to hear about the issue with your product. At your convenience feel free to contact us before returning to your retailer, please contact customer service at info@universalsecurity.com for assistance.
                    • Verified Purchase
                    Showing 1-10 of 33 reviews

                    Compare Key Features

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                    Product Snapshot

                    Ideal for homeowners seeking enhanced fire safety with voice alerts, interconnected alarms, and a 10-year battery backup.
                    Ideal for homeowners looking for interconnected alarms, ensuring comprehensive fire protection throughout the home.
                    Ideal for homeowners seeking enhanced fire safety with interconnected alarms and a 10-year battery backup, ensuring continuous protection.
                    Ideal for safety-conscious homeowners needing voice alerts and interconnected alarms, ensuring comprehensive fire protection.

                    Sensor Type

                    Photoelectric
                    Photoelectric
                    Ionization
                    Photoelectric

                    Interconnectivity

                    Battery Backup

                    10-year sealed backup battery
                    9V replaceable battery backup
                    10-year sealed backup battery
                    10-year built-in lithium battery backup

                    Smart Home Integration

                    Voice Alerts