The Nighthawk 900-0233 battery operated carbon monoxide alarm is an easy to install unit that provides reliable protection against the dangers of carbon monoxide. Written information and instruction make this unit’s operation easy for anyone to understand. The Nighthawk DC Basic alarm has a small, sleek design that is suitable for all living areas and has a 7-year limited warranty.

• Battery Operated (3AA’s included) – Provides protection during power outages.
• Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide alarm.
• 7-Year End of Life Warning – Alerts user to replace CO alarm after 7-years of operation. (40% longer than other CO alarms)
• UL Listed – Lifelong Warranty