Honeywell Home 5800CMBOV Combination Smoke / Carbon Monoxide (CO) Detector

Advanced combination smoke and carbon monoxide detector with dual-threat protection. Features end-of-life reporting for both smoke and CO sensors, so you know when replacement is needed. Includes low battery detection and maintenance alerts to keep the unit clean and functioning. Monitors ambient temperature and alerts when it drops below 41° F (5° C). Essential safety device for comprehensive home protection.