First Alert Combination Smoke and Carbon Monoxide Detector with 10-Year Sealed
The First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Alarm combines advanced safety features in a sleek, slim-profile design that is half the depth of standard alarms. First Alert Combination Smoke and Carbon Monoxide Detector with 10-Year Sealed Battery, Slim Profile, White, SMCO210.