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  • 3-in-1 Smart Alarm provides 10 years of continuous protection against fast flaming fires, slow smoldering fires and carbon monoxide
  • Sealed battery (included) will never have to be replaced throughout the life of the alarm
  • Features microprocessor intelligence to virtually eliminate nuisance alarms
  • Quick activation battery pull tab makes the alarm easy to install while the deactivation key makes the batteries safe for disposal
  • Smart Alarm Technology virtually eliminates nuisance alarms
  • Deactivation key switches alarm off and makes alarm safe for disposal
  • 10 year product end-of-service life warning sounds when it is time to replace alarm
  • Eco friendly-reduces environmental waste and eliminates disposal of up to twenty 9 volt batteries
  • Conforms to UL217 and UL2034 standards
  • California State Fire Marshal Approved
  • 10 Year Limited Warranty on both the battery and alarm
  • Revolutionary Universal Smoke Sensing Technology

The USI MIC3510SB 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against deadly threats in the home. New patented Universal Smoke Sensing Technology provides the benefits of both photoelectric and ionization alarms in one device to protect against fast flaming and slow smoldering fires. This USI Electric Smoke and Carbon Monoxide Detector also offers protection against the silent killer - carbon monoxide - making it a 3-in-1 alarm. The ideal addition for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room.

This smoke and carbon monoxide detector utilizes a sealed 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. 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 USI electric smoke detector features microprocessor intelligence to completely eliminate 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 alarm (approximately 10-years from activation).

This USI Combination Alarm conforms to UL217 and UL2034 standards. It is also California State Fire Marshal approved and Federal Housing Authority (FHA) approved to exceed industry standards. The Universal Electric MIC3510SB 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm comes with a 10-year limited warranty that covers both the alarm and battery.

Battery operated smoke and carbon monoxide detectors are a simple yet highly effective way to provide crucial smoke, fire and carbon monoxide poisoning protection for any home. Unlike hardwired alarms that are permanently connected to a building's electrical system, battery alarms are completely self-contained, drawing all their power from a single, internal battery. This design provides maximum flexibility and convenience, as the alarms can be installed in virtually any location without the need for an electrical outlet or complex wiring. They are a popular choice for renters, those living in older homes without modern electrical systems, or for anyone looking to quickly enhance their home's safety by adding an alarm to a new location. While some models still rely on replaceable batteries that must be changed annually, modern technology has introduced advanced 10-year sealed battery models that offer a decade of maintenance-free, continuous protection, eliminating the risk of a dead battery.

Advantages of a Battery Operated Smoke and Carbon Monoxide Alarm

  • Ease of Installation: No wiring is required. You can simply mount it with a few screws and it's ready to go. This makes it a perfect DIY project for anyone, regardless of their electrical expertise.
  • Flexible Placement: Because they are not tied to your home's electrical wiring, you can place them in a wide variety of locations, including older homes where wiring may be impractical or costly to install.
  • Continued Operation During Power Outages: Unlike hardwired alarms that rely on a battery backup, a battery alarm will continue to function normally during a power failure, ensuring uninterrupted protection.
  • Cost-Effective: The initial purchase price of a standard battery alarm is typically lower than a hardwired unit, and it saves you the expense of hiring an electrician for installation.

Advantages of a 10 Year Battery Operated Smoke and Carbon Monoxide Alarm

  • Maintenance-Free for a Decade: With a sealed battery alarm, you never have to worry about replacing the battery for the entire 10-year lifespan of the alarm.
  • Eliminates Low-Battery Chirps: A constant source of frustration for many homeowners, the low-battery chirp is completely eliminated. The alarm will only chirp with an "end-of-life" warning after 10 years, letting you know it's time to replace the entire unit.
  • Tamper-Proof: Since the battery is sealed within the unit, it cannot be removed or tampered with. This ensures the alarm is always powered on and ready to detect smoke or fire, addressing a common safety risk.
MIC3510SB  battery smoke alarm
How are battery-operated smoke alarms different from hardwired alarms?
Battery-operated alarms are completely self-contained, powered by an internal battery, and require no connection to your home's electrical system. This makes them easy to install and ideal for any location. In contrast, hardwired alarms are wired into your home's power supply and often include a battery backup for power outages.
How do I install a battery operated smoke alarm or carbon monoxide detector?
Installation is a simple DIY project. Most models come with a mounting bracket and screws. After marking the location on the wall or ceiling, you can simply screw the bracket in place and then twist the alarm onto the bracket. For more information and installation instructions, please follow the instructions that were included with your specific model.
How often should I test my smoke alarm smoke alarm or carbon monoxide detector?
You should test all of your smoke alarms and carbon monoxide detectors at least once a month. This is as simple as pressing and holding the "test" button on the unit until it sounds. This ensures the alarm's sounder is working properly.
Why should I choose a 10 year battery alarm?
A 10-year sealed battery alarm offers a decade of continuous protection without the need for battery replacements. This eliminates the risk of an alarm failing due to a dead or missing battery, saves you from the hassle of annual battery changes, and prevents the annoying low-battery chirps that often happen in the middle of the night. It's a "set it and forget it" solution for a full decade.
When should I replace my battery operated alarm?
Fire safety experts, including the NFPA, recommend replacing smoke alarms every 10 years. This is because the internal sensors can become less sensitive over time due to dust, dirt, and age. For alarms with a 10-year sealed battery, the replacement is straightforward, as the alarm will sound an end-of-life warning when it's time to be replaced.
Product Details
Product Specs
UPC:
042741335102
MPN:
MIC3510SB
Category:
Combination Alarms
Product Manuals

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MIC3510SB customer reviews

Overall Rating

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95 customers recommend this product
10 Year Battery Smoke, Fire and Carbon Monoxide Alarm, Tamper-Proof Reviews
Rosalie P
July 22, 2025
Verified Purchase
Very dependable

I chose this company for all my fire, smoke and CO alarm. It's very sensitive, very dependable and easy to install.

VINCENT M
November 29, 2024
Verified Purchase
great product

This product was a replacement for our previous 4 in 1 ISI product. Very happy with my interactions with the company.

William S
July 30, 2024
Verified Purchase
Easy to install and good for 10yrs

Great replacement for my existing smoke / carbon dioxide detectors. Best part is it will last 10 years.

Subramanyam S
July 22, 2024
Verified Purchase
Three in one 10 year battery smart alarm

The product arrived promptly in excellent condition. It was easy to fix. Previously, I had wired three in one 10 year battery alarm which will show a red and green light. But the current one does not have that feature. The new one blinks red once every three or four minutes. The previous one blinks every two minutes. It will be better if the new one had the same green and red light so that we know the alarm is alive. But the new one works well. I know it is alive by looking at its regular blinks.

Mike J
January 25, 2024
Verified Purchase
Excellent Smoke and CO Alarm

I purchased two of these alarms for my new home. This product detects both fast burning and smoldering fires as well as CO. Product was delivered quickly and was easy to install.

Patrick R
December 6, 2023
Verified Purchase
Quick and prompt service

Very easy to deal with your company

Ken E
May 29, 2023
Verified Purchase
3 in 1 Alarm

So far so good. They were very easy to install. Thank you for fast delivery!

Saul S
April 25, 2023
Verified Purchase
best price

check price all over -especially amazon and you were $12bless expensive per item -so I ordered 2 to get free shipping.

Dennis F
April 13, 2023
Verified Purchase
3-in-1 Smoke, Fire & CO Smart Alarm

As a retired firefighter I was happy to find this product in a review from Consumer Reports. These units cover the major concerns of every home owner. And finding that they are less expensive from the manufacturer than from Amazon was an extra plus. I received them in a timely manner.

Harsh I
January 12, 2023
Verified Purchase
Smoke alarm

Perfect

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