USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)

  • USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)
  • USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)
Hardwired with 10 Year Sealed Battery Backup | USST Smart Alarm

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Regular Price: $59.95
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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
  • Revolutionary Universal Smoke Sensing Technology
The Universal Security Instruments hardwired MIC1509S 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against three deadly threats within 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 alarm also features protection against the silent killer - carbon monoxide - making it a 3-in-1 device. The ideal addition for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room.

This alarm utilizes a sealed back-up battery (included) that will never have to be replaced throughout the life of the alarm, giving you a decade's worth in peace of mind even in the event of a power outage. Permanent Power battery backup 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 alarm 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 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 Security Instruments MIC1509S 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm comes with a 10-year limited warranty.
  • MPN: MIC1509S
  • UPC: 042741315098
  • Warranty: 10 year Limited Warranty on battery and alarm
  • Alarm Power Source: 120 volt hardwired & 10 year alkaline battery backup
  • Alarm Sensor Type: Universal Smoke Sensing Technology (Ionization & Photoelectric)
  • Manufacturing Credits: ISO 9001 certified factory, UL listed & CSFM listed
Click Here to Write a Review for this Product. Review

Average Customer Rating Based on 5 reviews: Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Excellent product - 02/09/2017
Reviewer: William Dunbar
I replaced six USI 5304s with the 1509s. It was easy and gave our home protection against carbon monoxide in addition to smoke and fire. During the install of the sixth detector, the battery pull tab broke. Customer service shipped out a replacement immediately and made the return of the broken product convenient. Im very pleased with the product and USI support!


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 - 01/25/2017
Reviewer: Gerald E Simpson
No problems! Easy to mount and works fine.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Bedroom hallway sensor - 12/16/2016
Reviewer: Ross Au
Purchased this detector to replace the old bedroom hallway unit. Way more comfortable with the three in one design this detector has for the sleeping level of our home. The 10 year battery makes this a install and forget instrument. Just need to hit the test button on occasion.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Smooth install - 11/29/2016
Reviewer: William Reupke
Local electrician quickly and easily replaced the existing 30-yr old interconnected detectors with the USI 3-in-1 detectors. Appearance of installation is very neat.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Second set from USI great product - 09/28/2016
Reviewer: Edward Hollis
Easy to install, great products, like the 10 year battery.


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