Customer Reviews For The USI Kitchen 10 Year Sealed Battery Smoke & Fire Smart Alarm (MDSK300S)

Overall Rating

9 Reviews
9 customers recommend this product
Jen S.
May 12, 2018
Best alarms

I did a lot of investigation before I ordered new alarms. These had all of the options I wanted and they are so much cheaper than the other name brands. I installed them very easily myself and they have been great. Never had any false alarms. There are no annoying lights. I really like that they have different ones specifically for the hallway, bedrooms, and the kitchen. The previous brand I had in the kitchen went off every time I opened the oven. These don't since it senses the difference between steam and real smoke. These have USST technology which is much better than the other brands. I highly recommend this brand.

don lafferty
February 23, 2018
Verified Purchase

Easy to install

William Reupke
December 20, 2016
Verified Purchase
Good resistance to nuisance alarms

Received in good order. A similar unit recently installed works very well. Would recommend to any purchaser.

William Reupke
November 29, 2016
Verified Purchase
Good resistance to nuisance alarms

USI kitchen detector was easily and neatly installed. Performed very well in discriminating against steam from cooking. Eager to see performance with burnt toast.

Edward Olson
September 23, 2016
Verified Purchase
Simple install

Like the sealed long lasting battery.

Dewey Benedetti
August 16, 2016
Verified Purchase
Great purchase

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!

Gary Mitchell
May 23, 2016
Verified Purchase
Super easy to install

We didn't get anything going in the kitchen yet to test it, but it installs very easily.

joseph gangloff
March 20, 2016
Verified Purchase
cool -- slow rise feature / unique product advantage

low rise feature is excellent improvement over competing brands

michael manger
December 14, 2015
Verified Purchase

Everything is great, very happy with the product that its has both types of sensors.

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.

The perfect replacement for existing USI Detectors, this USI Smoke and Fire 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 conforms to UL 217 Standards. It has also been approved by the California State Fire Marshal and Federal Housing Authority (FHA) to exceed industry standards. For maximum protection, install an alarm inside every bedroom, outside every sleeping area and on all levels. The Universal Security Instruments MI3050SB 2-in-1 Smoke and Fire Smart Alarm comes with a 10-year limited warranty that covers both the battery and alarm. 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.

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