Kidde 2047 is an easy-to-use carbon monoxide detector that can help save lives. It features a large digital display that shows the carbon monoxide level in your home, as well as a loud alarm that will sound if the level becomes dangerous. The 2047 also has a self-test feature that ensures it is working properly, and a battery backup that will keep it running in the event of a power outage. With its advanced technology and reliable performance, the Kidde 2047 is the perfect way to protect your family from the dangers of carbon monoxide poisoning.