The First Alert SMI105-AC Hardwired Ionization Smoke Detector combines advanced sensing technology with practical features to enhance home safety. Utilizing Precision Detection technology, it effectively reduces false alarms caused by cooking while providing early warning in fire emergencies. The unit is designed for hardwired installation with a 10-year sealed battery backup that ensures continuous operation even during power outages. Its interconnect capability allows multiple compatible alarms to sound simultaneously, alerting occupants throughout the home. The alarm indicator visually identifies the initiating unit for quick response. With a durable plastic construction and easy push-button control, this smoke detector delivers dependable performance and peace of mind for long-term use.

Protect your home and loved ones with the reliable First Alert SMI105-AC smoke detectors—order your 6-pack today for comprehensive safety.

Product Dimensions:

6.10 x 12.28 x 6.40 in

3.38 lbs

Shipping Dimensions:

12.20 x 6.50 x 6.02 in