First Alert 10-Year Battery 2-Pack Battery-operated Combination Smoke and Carbon Monoxide Detector PPG1111-4 mount to the ceiling on

mount to the ceiling on the top of the fixture

Caulking is unnecessary because of the tight seal of the gasket

Tool-free guard allows for quick

Test and reset buttons match the device face color to blend in seamlessly

The medium texture provides a variety of decorating options and helps conceal minor surface defects

First Alert 10-Year Battery 2-Pack Battery-operated Combination Smoke and Carbon Monoxide Detector PPG1111-4 mount to the ceiling onThe First Alert SMCO210 10 Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2 in 1 alarm provides convenient protection against both fire and carbon monoxide (CO). Also equipped with a 10 year sealed battery to eliminate the need for battery replacements and low battery chirps. Precision Detection technology