Universal Security Instruments is recalling about 180,000 battery-operated smoke and fire alarms because an internal switch can be misaligned, preventing the alarm from activating during a fire. This recall affects 10-year ionization models MI3050S and MI3050SB with date codes between January 19, 2015, and July 11, 2016. There have been 134 reports of these units failing to activate properly during installation. Consumers should immediately test their alarms to see if they function correctly, and the company will provide free replacements for any units that fail the test.
A misaligned internal switch can cause the smoke alarm to fail to sound during a fire, preventing residents from being alerted to the danger and increasing the risk of serious injury or death. While no injuries have been reported, there are 134 confirmed reports of the device failing to activate.
Consumers should immediately inspect their smoke alarms to determine if it will activate appropriately. Press the test button to determine if it is operating properly. If the alarm sounds no further action is required. Additional instructions are located on the firm's website. If smoke alarm does not sound during the test, consumers should immediately contact Universal Security for a replacement.

Smoke Alarm (front)
Smoke Alarm (back) Brand Name, Model, and Manufacture Date Codes
If you or a family member were harmed by this recalled product, you may have legal rights. Consider consulting a consumer protection attorney to understand your options for compensation.
This is general information, not legal advice. Go Backs is not a law firm and does not provide legal services.
AI-Enhanced Content: The summary, action steps, and risk assessment on this page were generated by AI from official government recall data to improve readability. This is not legal or medical advice. Always refer to the official agency sources below for authoritative information.
Sources: CPSC Notice · Raw API Response