First Alert's SMCO210V 10-Year Sealed Battery Combination Smoke and Carbon Monoxide Alarm with Voice and Location Alerts Size:1 in H x 5.67 in L x 5.67 in W Laser cut vibration slots create

Laser cut vibration slots create a more balanced blade for greater durability and cutting efficiency

25" shank size

Molded Shaft Insulation Rated To 1000V Provides Secondary Protection Against Accidental Electrical Shock

blue & green

Triple odor protection defends against urine

First Alert's SMCO210V 10-Year Sealed Battery Combination Smoke and Carbon Monoxide Alarm with Voice and Location Alerts Size:1 in H x 5.67 in L x 5.67 in W Laser cut vibration slots createBe alerted to the type of danger and its location in your home with First Alert's SMCO210V 10 Year Sealed Battery Combination Smoke and Carbon Monoxide Alarm with Voice and Location Alerts. This 2 in 1 alarm provides convenient protection against both CO and fire threats and meets new industry standards. First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides