First Alert 10-Year Battery-operated Combination Smoke and Carbon Monoxide Detector PPG1120-7 Both the AB-40 and A-41

Both the AB-40 and A-41 have a heat resistant diaphragm and seat disc

The router features Constant Response circuitry

10-ft power cord with cord wrap helps reach almost any cleanup need

and integration with other Ring

First Alert 10-Year Battery-operated Combination Smoke and Carbon Monoxide Detector PPG1120-7 Both the AB-40 and A-41The 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