BRK First Alert SMI100-AC Hardwired Smoke Alarm Ringers & Flashers 3" | Available labeled and

3" | Available labeled and unlabeled

32 mixing tips

It accepts ac voltage from 100-240vac

This product is final sale due to high demand and health reasons during this time

Functions as a T-Coil receiver in looped environments

BRK First Alert SMI100-AC Hardwired Smoke Alarm Ringers & Flashers 3" | Available labeled andThe First Alert SMI100 AC Interconnect Hardwired Smoke Alarm with Battery Backup incorporates First Alert's Precision Detection sensing technology to meet modern industry standards. This hardwired smoke detector is designed for easy installation and compatibility with other interconnectable alarms, creating a comprehensive home alarm system for early warnings. Features Precision Detection Technology: Complies with UL 217 8th Edition standards,