First Alert 1046793 Battery-Operated 2-in-1 Smoke & CO Alarm with Slim Profile Design Cordless Drill plunger head is designed to

plunger head is designed to seal better while requiring less effort to plunge

elastomeric base coat

ul classified

seal puncture tool & ladder hook

It comes fully assembled for quick installation and yes

First Alert 1046793 Battery-Operated 2-in-1 Smoke & CO Alarm with Slim Profile Design Cordless Drill plunger head is designed toEasily install the First Alert SMCO200 Battery Operated Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design. The alarm is half the depth of a standard alarm and provides reliable 2 in 1 smoke and carbon monoxide protection. Meets new industry standards with First Alert's Precision Detection advanced sensing technology. First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking