About USI - Universal Security Instruments
USI (Universal Security Instruments) has been a leader in home protection since 1969. As one of the world's largest manufacturers of smoke and carbon monoxide alarms, USI is dedicated to providing innovative safety solutions with a focus on quality, reliability, and cutting-edge technology.
With 11 patents in fire and detection technologies, USI is at the forefront of fire safety innovation. USI's state-of-the-art manufacturing facilities are ISO 9001 certified, ensuring the highest standards in production.
USI products, including smoke alarms, carbon monoxide alarms, and combo devices, offer superior protection with features like Sensing Plus® Multi-Criteria Detection for false alarm resistance and Quick Find® Alarm Origination, which helps easily identify the first alarm to sound.
In 2025, USI proudly joined the Feit Electric family of brands. This strategic acquisition brings together USI's trusted legacy in home safety and Feit Electric's leadership in lighting and smart home innovation. Together, we're expanding our reach and product offerings to deliver a more comprehensive suite of safety and home solutions - empowering families with greater peace of mind through advanced technology and dependable protection.
Understanding The Difference:
- USI holds 11 patents on detection technologies, based on our proprietary research into the science of fire and fire detection.
- Approval to distribute smoke and carbon monoxide alarms in more than 30 countries.
- USI state-of-the-art production facilities are ISO9001 certified.
- Lithium-Free 10 Year Permanent Power—Safer & more eco-friendly battery power.
- Patented Smart Alarm Technology—Provides superior false alarm resistance.
- Quick Find® Alarm Origination—Easily identifies first alarm to sound.
- Over 50 years of industry expertise.
