-. Feature : Features a quick activation pull-tab and front-loading battery drawer for replacement without removing the alarm / Responds 87-percent faster to slow smoldering fires and responds quickest to fast flaming fires / 9-Volt lithium battery (included) operates the alarm and provides 10-years of continuous protection without battery replacement / Universal Smoke Sensing Technology responds quickly to both fast-flaming and slow-smoldering fires to protect your family against deadly threats / Comes with a 10 year limited warranty -. Label : Universal Security Instruments -. Manufacturer : Universal Security Instruments -. ProductGroup : Home Improvement -. ProductTypeName : SECURITY_ELECTRONICS -. Publisher : Universal Security Instruments -. Studio : Universal Security Instruments -. Title : Universal Security Instruments 10-Year Lithium Battery Operated Universal Smoke Sensing (IoPhic) Smoke and Fire Alarm (MDS300L)