USI Hallway 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC3510SB)
- 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.

- Warranty: 10 Year Limited Warranty on both the battery and alarm
- Alarm Power Source: 10 Year Alkaline Battery
- Alarm Sensor Type: Universal Smoke Sensing Technology (Ionization & Photoelectric) + Electrochemical CO Sensor
- Manufacturing Credits: ISO 9001 certified factory, UL listed & CSFM listed
- Packaging: Easy Open Box Packaging
- Product Dimensions (W x H x D): 5.75 x 5.75 x 1.75 in.
- Product Weight: 0.49 lbs.
If you are interested in ordering a large quantity of items you may qualify for volume pricing discounts. Volume Discount Pricing is a great way for customers to save big on large, bulk orders of most items available in our store. Please send a bulk order request to our friendly sales staff so they may create a quote and provide personal service for your order! You will receive a response within 1-2 business days and our office hours are Monday through Friday, 8am-5pm CST.
- Let us know what products & the quantities you are interested in.
- Get a detailed quote from a dedicated sales rep.
- Our warehouse ships directly to you.
- You enjoy the savings & are now a preferred customer.
89 Customer Reviews
5 Overall rating
USI Hallway 3-in-1 Smoke, Fire and Carbon Monoxide 10-Year Alarm Reviews
Ken E
May 29, 20233 in 1 Alarm
So far so good. They were very easy to install. Thank you for fast delivery!
Saul S
April 25, 2023best 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, 20233-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, 2023Smoke alarm
Perfect
LM
October 29, 2022So far so good
Easy to install. Pull tab to activate is convenient. Purchased because this is one of the few 3 in 1 alarms available photoelectric for smoldering fires, ionization for flaming fires, and carbon monoxide, and it was recommended by Consumer Reports.
Michael E
October 27, 20223 in 1 replacement
We replaced our smoke detector with a Smoke, Fire, and Carbon Monoxide Alarm with a 10 year sealed battery, great product for a great priceðŸ‘
Michael E
October 26, 20223 in 1 replacement
We replaced our smoke detector with a Smoke, Fire, and Carbon Monoxide Alarm with a 10 year sealed battery, great product for a great priceðŸ‘
Michael E
October 26, 20223 in 1 replacement
We replaced our smoke detector with a Smoke, Fire, and Carbon Monoxide Alarm with a 10 year sealed battery, great product for a great priceðŸ‘
Andrea
October 17, 2022Just what I needed!
I was looking for a combo smoke/fire/CO alarm with 10 year sealed battery and found this one on a “best†list. Bought it here as the 6 pack was convenient and reasonably priced. Easy to install.
Melanie R
September 26, 20223 USI Hallway 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm
Love your product. Easy to install and long lasting. Great.