First Alert Hardwired Ionization Sensor Smoke Detector PPG1109-6 No-mar tip: no-mar tip on

No-mar tip: no-mar tip on the nose protects the work piece from unintended markings

Board Dimensions (LxW): 2 1/2" x 2 1/2"

Connectivity and Control

Versatile union tank connections

First Alert Hardwired Ionization Sensor Smoke Detector PPG1109-6 No-mar tip: no-mar tip onThe First Alert SMI100 AC Hardwire Interconnect Smoke Alarm with Battery Backup meets new industry standards utilizing First Alert's Precision Detection advance sensing technology. This hardwire smoke alarm is easy to install and replace existing alarms with no need to rewire. Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning. Precision Detection technology helps reduce cooking nuisance alarms and