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Find the USI electric smoke detector that meets your needs, with a collection of the best smoke alarms from USI (University Security Instruments), an industry leader since 1969. 


A USI smoke detector is built to last, and as one of the most economical choices, it can provide the most bang for your buck. Shop traditional and combination smoke and carbon monoxide alarm options, with wholesale smoke alarm prices that ensure you always get the best deal. Find the USI fire alarm that’s right for you, and let us know if you have any questions.

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