This combination alarm detects both smoke and carbon monoxide to provide dual protection from two of the most common household hazards. The easy twist-and-click mounting bracket installs quickly without tools, and self-testing capability regularly verifies the alarm is functioning properly.

• Detects both smoke and carbon monoxide
• Powered by 2 AA replaceable batteries
• Self-testing alarm for continuous assurance
• End-of-life notifications alert when replacement is needed
• Easy twist-and-click bracket for quick, tool-free installation
• Dimensions: 5" x 2" x 5"
• White finish