USI Kitchen 2-in-1 Smoke & Fire Smart Alarm with 10 year Sealed Battery & Universal Smoke Sensing Technology (MDSK300S)

  • USI Kitchen 2-in-1 Smoke & Fire Smart Alarm with 10 year Sealed Battery & Universal Smoke Sensing  Technology (MDSK300S)
  • USI Kitchen 2-in-1 Smoke & Fire Smart Alarm with 10 year Sealed Battery & Universal Smoke Sensing  Technology (MDSK300S)
Tamper proof design

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  • Rate-of-Rise feature differentiates between cooking and a real fire.
  • Reduces the chance of nuisance alarms from cooking steam.
  • Tamper proof design provides a higher level of security to prevent battery removal.
  • Gives a decade of peace of mind.
  • Provides the benefits of both photoelectric and ionization technology in one alarm Maintenance Free
    Battery Power.
  • Never replace batteries for 10 years, saving up to $38.00 over the life of the alarm.
  • Eliminates annoying low battery chirps.
  • 10 year sealed batteries provide continuous protection, even in the event of a power outage.
  • Smart Alarm Technology virtually eliminates nuisance alarms.
  • Combines the benefits of photoelectric & ionization technology in one alarm.
  • Quick activation battery pull tab makes this fast and easy to install.
  • Deactivation key switches alarm off and makes batteries safe for disposal (once alarm reaches the 10 year
    product end of service life).
  • Tamper resistant feature prevents deactivated alarm from being reinstalled.
  • Choose this alarm if you are looking for an alarm with superior nuisance alarm resistance.
  • 10 year product end‐of‐service life warning sounds when it is time to replace alarm.
  • This alarm is suitable for installation in houses, apartments, dormitory and manufactured housing.
  • Meet New Laws & Legislation‐‐This alarm exceeds industry standards, and is listed to UL Standard UL 217
    and is California State Fire Marshal approved.
  • ECO Friendly, reduces environmental waste & eliminates disposal of up to twenty 9 volt batteries.
  • 10 year limited warranty on both battery and alarm.
  • Revolutionary Universal Smoke Sensing Technology

The Universal Security Instruments MDSK300S 2-in-1 Smoke and Fire 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. The patented Rate-of-Rise Feature will differentiate between cooking smoke/steam and real fire. Perfect for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room.

The sealed battery (included) 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 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.

Perfect for replacement of existing Universal Electric alarms, this alarm features a large mounting base to cover imperfections in drywall and the option to replace retrofitting applications. The quick activation battery pull tab makes it easy to install while the deactivation key switches the alarm off and makes the alarm safe for disposal. Once the alarm is deactivated, the tamper resistant feature turns on to prevent deactivated alarms from being reinstalled.

This alarm confirms to UL 217 Standards, California State Fire Marshal approved and Federal Housing Authority (FHA) approved to exceed industry standards. For maximum protection, install an alarm inside every bedroom, outside every sleeping area and on all levels of the dwelling. The Universal Security Instruments MI3050SB 2-in-1 Smoke and Fire Smart Alarm comes with a 10-year limited warranty. Universal Security Instruments is a U.S. based manufacturer of high quality, easy-to-install home safety products. Founded in 1969, Universal Security Instruments has over 40 years of heritage in providing home safety products for families. With state-of-the-art manufacturing facilities, Universal Security Instruments continues to launch revolutionary new products and technologies with the mission of always working to keep families protected.

  • MPN: MDSK300S
  • UPC: 042741803007
  • Warranty: 10 year Limited Warranty
  • Alarm Battery: 10 Year Sealed Permanent Power Battery
  • Alarm Sensor Type: Universal Smoke Sensing Technology
  • 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 7 reviews: Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Good resistance to nuisance alarms - 12/20/2016
Reviewer: William Reupke
Received in good order. A similar unit recently installed works very well. Would recommend to any purchaser.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Good resistance to nuisance alarms - 11/29/2016
Reviewer: William Reupke
USI kitchen detector was easily and neatly installed. Performed very well in discriminating against steam from cooking. Eager to see performance with burnt toast.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Simple install - 09/23/2016
Reviewer: Edward Olson
Like the sealed long lasting battery.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Great purchase - 08/16/2016
Reviewer: Dewey Benedetti
Installed it on 8-3-16 and as of today no false alarms in the kitchen when preparing meals. I would recommend the 2 in 1, it's a great buy!


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 Super easy to install - 05/23/2016
Reviewer: Gary Mitchell
We didn't get anything going in the kitchen yet to test it, but it installs very easily.


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 cool -- slow rise feature / unique product advantage - 03/20/2016
Reviewer: joseph gangloff
low rise feature is excellent improvement over competing brands


Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 - 12/14/2015
Reviewer: michael manger
Everything is great, very happy with the product that its has both types of sensors.


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