- First Alert CO400 Battery Operated Carbon Monoxide Alarm
- 2 x AA Batteries
- First Alert SA303 Battery Operated Smoke Alarm
- 9V Battery
- Owner's manual
Ratings & Reviews
Combo pack include
CO400 Battery Operated Carbon Monoxide Alarm and SA303 Battery Operated Smoke Alarm.
Protect your loved ones and your home
Detects levels of smoke and carbon monoxide within your home and tests itself automatically.
Provides all the necessary protection to help keep your family and your home safe.
Carbon monoxide detector
Protection from smoke and fire.
Ionization smoke sensing technology
Finds difference in ionized air to smoke is detected and an alarm is generated.
Loud 85-decibel alarm
Offers a loud pulsing alarm that will sound to alert you to a potential problem.
Possibility of placing anywhere.
Easy access battery door
Fast battery replacement.