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Internet # 333695328

Model # IL86CUH03-2

Hardwired Connected Smoke and Carbon Monoxide Detector with 2 AA Batteries Back Up Voice Alert Smoke and CO Alarm 2-Pack

Includes 2 units
$71.84
($35.92 /unit)
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  • Unique voice speaker distinguish between CO warning, fire alarm
  • Hardwired Interconnection: Up to 18 Alarm
  • Self-check Function
  • View More Details

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Product Details

About This Product

This Combination Smoke and Carbon Monoxide Alarm, CO function is single-stationonly, and smoke function is multi-station when interconnected. This Smoke and Carbon Monoxide Detector is powered by 120 V AC main power with 2 AA battery back-up which can be hardwired interconnect. It also contains a voice message system and SMART SILENT Control to temporarily silence nuisance alarms.

Highlights

  • Wired connection: this smoke and carbon monoxide detector can be hardwired connected, so when 1-alarm is triggered, they all sound and notify everyone of the emergency
  • hardwired and 2 AA battery backup installed: the combination of smoke and carbon monoxide detectors can be connected for use in addition to the 2 AA battery backup, when the power goes out in your house, the detector will still keep you safe
  • 2 in 1 protection with unique voice alarm: this combination smoke and co detector with dual sensors detects smoke and carbon monoxide hazards in a single unit, providing an audible warning in excess of 85 decibels, in addition, the unique voice alert lets you quickly understand whether smoke or carbon monoxide is present, allowing you to avoid scenarios in a more organized manner
  • Self check function: this smoke detectors and CO combination detectors have a self-check feature that replaces manual testing, when a detector fails to work, it will notify you as soon as possible to ensure you are effectively protected
  • High quality assurance: the combination detector has a 10-year sensor life and a reliable, high-performance chip to provide you with powerful protection, products meet UL 217 and UL 2034 standards to ensure peace of mind
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Product Information

Internet # 333695328

Model # IL86CUH03-2

Specifications

Dimensions

Product Depth (in.)

6.1 in

Product Width (in.)

6.1 in

Details

Alarm Sensor Type

Photoelectric

Alarm/Detector Features

Battery Back-Up, Hush Button, Light Indicator

Alert Type

Siren, Voice

Battery Type Required

AA

Commercial/Residential

Home

Included

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

Pack Size

2

Power Source

Hardwired

Returnable

90-Day

Voltage (V)

120 V

Warranty / Certifications

Certifications and Listings

ETL Certified

Questions & Answers

Can these units interconnect with other units/brands such as Kidde or First Alert? Or would i have to purchase these units in a 6 pack....
ByJul 10, 2026
0 Answer | 
Answer This Question

Is it compatible with kiddie hard wired smoke and carbon detectors
ByApr 24, 2026
0 Answer | 
Answer This Question

Does it meet the building and safety codes for California and Los Angeles?
ByJan 10, 2026
1 Answer | 
Answer This Question

yes

By|Jan 16, 2026


    Can this hard wired carbon smoke detector pair with the battery operated only version?
    ByNov 9, 2025
    1 Answer | 
    Answer This Question

    No, a hardwired carbon monoxide detector cannot interconnect with a battery-only version.

    By|Nov 10, 2025


      Will this smoke detector detect marijuana smoke?
      ByMay 8, 2025
      1 Answer | 
      Answer This Question

      Smoke detectors are not designed to detect specific substances like marijuana smoke. However, if marijuana smoke enters the detector, the smoke alarm will also trigger.

      By|May 21, 2025


        My house needs 7 units total. Can I connect all of them together through hardware?
        ByApr 30, 2025
        1 Answer | 
        Answer This Question

        Yes

        By|May 7, 2025


          I have to blow dry my hair with the door closed or it will go off in the hall. Even if I open the door too soon, it goes off. Is this normal?
          ByMar 27, 2025
          1 Answer | 
          Answer This Question

          it is normal, because when steam accumulates near the detector, it can temporarily mimic smoke particles and trigger a false alert.

          By|Feb 12, 2026

            (1)

            What does "CO function is single station only" mean?
            ByJan 26, 2025
            1 Answer | 
            Answer This Question

            The carbon monoxide detection function is independent, not one go all go. The smoke detection function is one go all go.

            By|Mar 10, 2025


              Viewing 1-8 of 9

              Customer Reviews

              4.5 out of 5

              • 4.5 out of 17 reviews
              • 100% recommend this product
              Filter by:
              Showing 1-10 of 17 reviews
              Excellent smoke detector!
              The Hardwired Connected Smoke and Carbon Monoxide Detector with 2 AA Battery Backup (2-Pack) is a reliable and well-designed safety device that gives homeowners peace of mind. It provides both smoke and carbon monoxide protection in one unit and connects directly to household wiring while still working during power outages thanks to its battery backup. The alarms can be linked together so that if one goes off, all of them sound at once—a great feature for larger homes. One of the best parts is the clear **voice alert system**, which tells you whether it’s smoke or carbon monoxide, instead of just blaring an alarm. It’s loud enough to hear throughout the house but not harsh, and it includes a **Smart Silent** button to quiet false alarms without turning the unit off completely. The detector also performs automatic self-checks to make sure it’s working properly, so you don’t have to remember to test it manually. It feels solid and well-built, and the design is simple and unobtrusive once installed. The 10-year sensor life and quality construction make it a strong long-term investment for household safety. The only real flaw I noticed during installation is that the mounting plate doesn’t allow you to insert the screws into the electrical box first before attaching the plate, which made it a bit tricky to align and tighten. Aside from that, the installation was simple, and the included instructions were clear. Overall, this 2-pack offers excellent protection, thoughtful features, and dependable performance at a good value. It’s a product that combines practicality, safety, and ease of use—highly recommended for anyone upgrading or replacing older smoke and CO alarms.
              by
              • Recommended
              An easy to install hardwired combined CO and smoke detector.
              This is a very easy to install hardwired unit. It’s great that it has both combined CO and smoke detection thus reducing the number of units you have to install. The alarm is quite loud so be warned when testing. You may want to use ear protection or be able to quickly cover your ears. When installing the unit in an electrical box ensure that there is enough room in the box to accept the plug that mounts into the back of the detector. The mounting plate and detector must be lined up correctly since there is only one location the detector can be mounted on the plate.
              by
              • Recommended
              Nice combo hardwire detector
              This hardwired Smoke and Carbon Monoxide Detector is an excellent choice for safety and peace of mind. The voice alerts are clear and easy to understand, ensuring quick response in an emergency. I appreciate the dual protection of smoke and CO in one unit, plus the battery backup adds reliability during power outages. Installation was straightforward, and the design blends well with any home. A reliable, high-quality alarm that provides dependable protection!
              by
              • Recommended
              This customer chose to rate the product and not provide text.
              by
              Loud, voice announcement with silence button. battery backup
              I just installed 2 Universal Security Instruments combination fire smoke and carbon monoxide detectors in my home. This is the third replacement since I have lived in the house for 32 years. When I first bought my house, I was unaware that smoke detectors get old and need to be replaced every 10 years. The beauty of these detectors, besides having triple detectors built in, are hard-wired to each other so that when one activates, the whole house is alerted. The siren is very loud. Also, a clear voice announces the type of alert in both English and French. The replacement of the old detectors gives me peace of mind knowing I now have the latest technology sensors, new back up batteries (AA). The detectors are backed by a ten-year warranty. As I replaced them, I found they are compatible with my existing detectors. Always check if you are unsure. I now plan on adding one to each of my three bedrooms. When first built in 1993 one was in the basement, in the hallway on the first floor and the third in the hallway on the second floor living area, bedrooms and baths. Standard 120 VAC for power. Two AA batteries for back up. Like most, when the batteries are almost deplete, the units give a verbal warning.
              by
              • Recommended
              A nice looking, easy to install combo smoke/CO monoxide detector that is easy to install.
              This is a great looking combo smoke/CO detector/alarm that is easy to work with and install. I really like the two-pack option, which fit my needs perfectly. This smoke detector also comes with a battery-only option to work in areas where providing power is an issue. The batteries are also provided. Test functions work well and test both smoke and CO detection.
              by
              • Recommended
              This customer chose to rate the product and not provide text.
              by
              • Verified Purchase
              The installation was real simple, and the unit was compatible with the existing units already installed.
              by
              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
              Showing 1-10 of 17 reviews

              Compare Key Features

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              Product Snapshot

              Ideal for safety-conscious homeowners needing interconnected smoke & CO detection with voice alerts, ensuring comprehensive protection.
              Ideal for safety-conscious homeowners needing dual smoke and CO detection with voice alerts for enhanced protection.
              Ideal for commercial and home use, this hardwired alarm with battery backup ensures reliable fire and CO detection.
              Ideal for homeowners who want whole-home protection, ensuring everyone is alerted to hazards.

              Sensor Type

              Photoelectric
              Photoelectric
              Dual-Sensor
              Photoelectric

              Smart Home Integration

              Dual Functionality

              Power Source

              Hardwired
              Battery
              Hardwired
              Hardwired, 2 AA battery backup

              Voice Alerts