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  • 3-in-1 Smoke, Fire & Carbon Monoxide Alarm provides 10 years of continuous protection against fast flaming, slow smoldering fires and carbon monoxide
  • New Security Sensing Plus® multi criteria smoke & fire sensor uses AI-artificial intelligence techniques that can differentiate and classify smoke & fire profiles.
  • Hardwired alarm with a 10-year lithium-free alkaline battery backup that provides a decade in peace of mind even when the power goes out.
  • Quick Find® Alarm Origination easily identifies first alarm to sound in an interconnected system.
  • Built-in microprocessor virtually eliminates nuisance alarms.
  • Maintenance free battery power provides 10 years of safety protection.
  • Power and alarm LED's
  • Test/silence button
  • Loud 85 dB alarm
  • Tamper-proof design prevents other from tampering with alarm's battery.
  • 10 year warranty on both battery & alarm
  • New Security Sensing Plus Multi Criteria Detection Technology.
  • Interconnectable with up to 24 compatible devices

The USI AMIC1510SC 3-in-1 Sensing Plus® Hardwired Smoke, Fire & Carbon Monoxide Alarm provides 10 years of continuous protection against deadly threats in the home. New Sensing Plus® Multi-Criteria Detection provides the benefits of both photoelectric and ionization alarms in one device to protect against fast flaming and slow smoldering fires. This combination alarm also offers protection against the silent killer - carbon monoxide - making it a 3-in-1 detector. The ideal addition for new or replacement installations, Universal Sensing Plus Alarms® are suitable for houses, apartments and mobile homes in every room.

This 3-in-1 alarm implements a 10 year lithium-free battery (included) that will never have to be replaced throughout the life of the detector, giving you a decade's worth in peace of mind even in the event of a power outage. 10 Year Permanent Power also saves money from battery replacements (up to $38.00 over the 10-year life of the alarm), eliminates annoying low battery chirps and helps the environment by reducing environmental waste from disposed batteries. This combination detector features microprocessor intelligence that assists in completely eliminating nuisance alarms, a single silence/test button to quiet a non-hazardous alarm and an end-of-service life warning that sounds when it's time to replace the battery (approximately 10-years from activation).

Perfect for replacing existing alarms, Universal Security Sensing Plus® Combination Detectors feature a large mounting base to cover imperfections in drywall and the option to replace retrofitting applications. The quick activation battery pull tab allows for easy installation while the deactivation key switches the alarm off and makes the batteries safe for disposal. Once the 3-in-1 combination detector is deactivated, the tamper resistant feature turns on to prevent deactivated alarms from being reinstalled.

This 10 year combination alarm conforms to UL 217 Standard 8th Edition and UL 2034 Standard 4th Edition. 8th edition smoke, fire and carbon monoxide detectors have also been approved by the California State Fire Marshal and Federal Housing Authority (FHA) to exceed industry standards. New Sensing Plus® Multi-Criteria Detection provides:

  • Resistance to False Alarms from Cooking.
  • Detection of Polyurethane Foam in both Slow Smoldering & Fast Flaming Fires.
  • Immunity to High-Voltage Current Surges.

For maximum protection, install a USI Electric Combination Detector inside every bedroom, outside every sleeping area and on all levels. The USI AMIC1510SC 3-in-1 Sensing Plus® Hardwired Smoke, Fire & Carbon Monoxide Alarm comes with a 10-year limited warranty that covers both the battery and alarm.

Meets New Laws & Legislations - This alarm exceeds industry standards, and is listed to UL 217 Standard 8th Edition and UL 2034 Standard 4th Edition. It is is California State Fire Marshal approved.

*New Security Sensing Plus® Detection Technology UL 217 8th Edition Tests Include:

  • Resistance to false alarms from cooking
  • Detection of polyurethane foam in both slow smoldering & fast flaming fires
  • Immunity to high-voltage current surges
smoke alarm ul 217 and ul 2034 standard compliant
AMIC1510SC15 year battery smoke alarm
How often should I replace the battery in my smoke, CO and natural gas alarms?
Many of our alarms come with a 10-year sealed Permanent Power battery that never needs replacing during the 10 year life of the alarm. Batteries in non sealed alarms should be replaced at least once a year or when the low battery signal sounds. Permanent Power battery technology helps keep you safe, because working smoke alarms are an important factor in surviving a home fire.
What's the optimum placement of protection devices in my home?
Early detection of smoke, carbon monoxide, and natural gas is key to saving lives. The National Fire Protection Association (NFPA) recommends installing a smoke alarm on every level of your home, including finished attics and basements. You are also encouraged to install a smoke detector inside every bedroom and at the top of certain stairways.
Do I need four kinds of detectors or can one do it all?
You never know what kind of hazard will strike your home, or when. That's why we recommend technology that can detect carbon monoxide (CO) and natural gas as well as smoke and fire. You'll get the most protection from devices that can quickly and accurately detect and respond to a range of threats.
What are "nuisance alarms"? Why are they a concern?
A smoke alarm that goes off when there's no emergency is annoying. According to the National Fire Protection Association (NFPA), such "nuisance alarms" are the leading reason why homeowners intentionally disable their smoke detectors. Yet doing so can be deadly. A survey conducted by the NFPA found that smoke alarms sounded in only half of the home fires reported to U.S. fire departments, and almost two-thirds of home fire deaths resulted from fires in homes with no smoke alarms or no working smoke alarms.
What is the difference between your AMIC1510SC and AMIC1510SB alarms?
The AMIC1510SB ("B" version) comes in easy open box packaging. The AMIC1510SC ("C" version) comes in blister card packaging. The only difference between these two models is the packaging.
Product Details

new sensing plus smoke alarms

Product Specs
Smoke Alarms
Product Manuals

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AMIC1510SC customer reviews

Overall Rating

18 Reviews
18 customers recommend this product
USI Sensing Plus Hardwired Smoke and Carbon Monoxide Alarm Reviews
John C
March 22, 2022
Verified Purchase
Safe convenience

I needed a whole house replacement for new construction detectors that were at end of life and got a good deal on upgraded 10 year battery models and got a few more carbon monoxide detectors to cover every bedroom and added a natural gas detector. Replacing the ceiling mount bracket and a couple wiring pig tails was not too hard. Very happy to not have to replace batteries and to have the best protection for my family.

John H
March 7, 2022
Verified Purchase

It was very easy to replace my existing wired smoke detectors with these new USI combo units that detect CO, smoke, and fire. So far I'm very happy with the three USI combo units I installed. After installation, I pressed each units test button and each unit worked perfectly. This was a great investment ordering online from USI. I, also, got a discount for my first online purchase from USI.

Jerry M
February 21, 2022
Verified Purchase

Easy to install and works as stated. I will purchase again.

Wendy M
January 23, 2022
Verified Purchase
Great Replacement

We had a builder installed USI product that needed replacement. We were happy to find this updated version which was easy to install into the existing wiring and plate. Very happy with ordering and shipping process.

R Scott
January 12, 2022
Verified Purchase

Very easy to install, and looks great. With the 10-year battery backup, it's set and go and worry-free! I feel safe and well protected. Highly recommended!

January 7, 2022
Verified Purchase
Easy replacement

Bought these to replace 14 year old smoke detectors. Easy to connect to existing wiring. Tested and working as expected.

Tal C
December 14, 2021
Verified Purchase
USI Smoke Detectors

I replaced all the smoke detectors in my house. I had excellent an experience with purchasing USI products and installing them.

December 11, 2021
Verified Purchase
No one else makes these

I purchased from USI because they were the only ones who made a smoke alarm with both ionization and photoelectric AND a carbon monoxide detector. I put these in each bedroom to make sure my family was protected to the best of ability. I put USI's regular ionization/photoelectric detectors everywhere else. I really like that they are hardwired and will all alert together letting us know about a dangerous condition no matter where we are. I will recommend these detectors to my friends and extended family because they are first rate products and because of the excellent customer service

William B
November 19, 2021
Verified Purchase
Universal Security Instruments Sensing Plus Multi Criteria Hardwired Combination Smoke, Fire & Car

High quality construction, super easy installation and minimal packaging material.

David M
October 14, 2021
Verified Purchase
Wanting to rate Excellent

These appear to be state-of-the-art units. I ordered 3 but one appeared to be malfunctioning. Their customer service is OUTSTANDING and they agreed to replace the one unit immediately. Once I get that unitl installed. Mark me 5-Excellent.

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