First Alert Smoke Alarm SMI100

No, this model is completely battery-operated. It uses a single 9V alkaline battery, which makes installation straightforward since you don't need to worry about electrical wiring.

This unit features Precision Detection technology specifically designed to minimize nuisance alarms caused by common cooking smoke. While no smoke alarm is completely immune to false triggers, this technology significantly reduces them compared to older, standard sensors.

The alarm features a front-access battery compartment for easy battery changes. It also includes an end-of-life warning signal that will alert you when the entire unit has reached the end of its service life and needs to be replaced.

No, this is a standalone unit. It does not have interconnectivity features, meaning it will only sound the alarm on the specific device that detects smoke.

You can use the integrated test/silence button on the front of the unit to quickly hush the alarm. This is particularly useful if you have a minor cooking mishap and need to silence the siren without removing the battery.

Yes, this unit is designed for versatile installation and can be mounted on either the wall or the ceiling, depending on your home's layout and safety requirements.