Smoke & Carbon Monoxide Alarm, 10-year Battery

Introducing the First Alert SM210 Smoke Alarm paired with the CO400 Carbon Monoxide Detector, a dual‑protective safety pack designed for modern households. The SM210 features a sealed 10‑year lithium battery that never requires replacement, while the CO400 delivers dependable, battery‑operated CO monitoring. Both units blend discreet white housings with sleek, low‑profile designs that complement any décor, ensuring peace of mind without compromising style.

Why choose this safety duo? The combination safeguards your home from invisible fire threats and poisonous carbon monoxide, reducing the risk of emergencies while you sleep or relax. With instant audible alerts and clear visual indicators, you’ll be warned early, giving you precious time to act.

• 10‑Year Sealed Battery Smoke Detector: Long‑lasting power eliminates battery changes, meeting latest industry standards for reliability.
• Precision Detection Technology: Advanced sensors quickly identify fast‑burning and smoldering fires, reducing false alarms.
• Battery‑Operated CO400 Carbon Monoxide Alarm: Simple plug‑in installation provides continuous CO protection without wiring.
• Dual Alert System: Distinct tones differentiate smoke from carbon monoxide events, helping you respond appropriately.
• Compact White Design: Minimalist look blends seamlessly into ceilings and walls, suitable for any room.

Secure your home with confidence: This First Alert safety pack delivers unmatched convenience, durability, and protection, making it an essential addition to any residence. Enjoy the freedom of a decade‑long smoke alarm battery and reliable carbon monoxide monitoring, all backed by a trusted brand known for life‑saving innovation.