XP0H-SN Standalone Smoke and CO Alarm

10-Year Sealed Battery: Long-life lithium battery powers the device for its full 10-year lifespan. 2-in-1 Protection: Detects smoke and carbon monoxide quickly and accurately with advanced dual sensors. CO Readings Display: Shows CO concentration (30–999 ppm) and illuminates during alarms, remaining off in standby to prevent disturbance Enhanced Detection: Upgraded sensors ensure faster response with an 85 dB alarm and fewer false alerts. Simple Installation: No rewiring needed; easily mounts on any wall or ceiling with the included bracket, screws, and anchors.