USI Hardwired Smoke Alarms can easily be plugged into your home’s preexisting system. All Universal Security Instruments Hardwired Smoke Detectors feature a battery backup that will continue to operate in the event of a power outage, ensuring optimal protection. USI Hardwired Smoke Alarms can also be interconnected with other Universal Security Instruments Hardwired Smoke Detectors. This is a feature that will allow you to create a unique smoke and carbon monoxide defense system. Universal Sensing Plus Smoke Alarms that implement multi-criteria detection are also available. These are 8th edition smoke alarms that conform with the soon to be released (June 30th, 2022) UL217 8th Edition. The USI Store features Hardwired Smoke Alarms that are available as standalone and combination detectors.
The USI 2-in-1 Hardwired Smoke & Fire Alarm combines both photoelectric and ionization technology into one detector. This hardwired smoke alarm also features a 10 year battery that ensures continued operation.
The USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Alarm comes equipped with a 10 year battery for continuous protection in the event of a power outage. Combining both photoelectric and ionization technology, this hardwired combination alarm also protects against carbon monoxide.