Usi 3 – in – 1 Tamper Proof Smoke, Fire, and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery Back – up, Hardwired

| 3-in-1 Smart Alarm provides 10 years of continuous protection against fast flaming fires, slow smoldering fires and carbon monoxide | Sealed battery (included) will never have to be replaced throughout the life of the alarm | Features microprocessor intelligence to virtually eliminate nuisance alarms | Quick activation battery pull tab makes the alarm easy to install while the deactivation key makes the batteries safe for disposal | Comes with a 10-year limited warrantyUsi 3-In-1 Tamper Proof Smoke, Fire, And Carbon Monoxide Smart Alarm With 10 Year Sealed Battery Back-Up, Hardwired