🔥 3PCS Smoke and Carbon Monoxide Detector Alarm with Voice Warning, 10 Year Lithium Battery Backup, Dual Sensor Smoke and CO Alarm Compliant with UL 217 & UL 2034 Standards (AJ-933) Review

Accurate, Reliable, & Highly Sensitive: This smoke and carbon monoxide alarm Adopts the most advanced photoelectric sensor, enabling the alarm to quickly detect dangerous smoke levels from slow-burning, smoldering fires; provides the earliest possible warning of fire while minimizing false alarms. 10-Year Battery Life:This combination smoke and carbon monoxide detector 10 years of continuous power with a built-in lithium battery; saving on energy while remaining eco-friendly; smoke and CO levels saves you from constantly having to change batteries; an end-of-life signal will let you know when it's time to replace the unit for safety. Smart Auto Check: This carbon monoxide detector has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep. Simple To Use: The silence/test button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly. when the smoke alarm detects dangerous smoke, it will make more than 85dB alarm sound and the twinkling red LED indicator light at the same time; this alarm is sure to wake up you and your family, even when sound asleep. Easy Install & High Quality: This fire alarms smoke detectors can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, no hardwired need. certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product.