FIRST ALERT BRK SC9120LBL Smoke and Carbon Monoxide Alarm with 10 Year Battery

The SC9120LBL 120V AC/DC Smoke and CO alarm features a 10-year Lithium battery backup, ensuring reliable operation without the need for annual battery replacements. The battery drawer is shipped pre-locked, preventing the battery from being discarded prematurely. Under normal conditions, the user should not have to replace the battery for the life of the alarm, saving time and money on maintenance costs.

This alarm utilizes an electrochemical carbon monoxide sensor, recognized as the most accurate sensor technology available compared to other sensing methods. The latching alarm indicator remembers which unit initiated an alarm, providing valuable information in the event of an emergency. The intelligent sensing technology helps reduce the number of nuisance alarms, enhancing the device's reliability and user-friendliness.

Installation and maintenance of the SC9120LBL are designed to be quick, easy, and cost-effective. The alarm features a perfect mount system, allowing for easy alignment during installation. A single button provides both test and silence functions, simplifying the user experience. The mounting bracket has large openings to facilitate easy access to the wiring, and keyhole slots eliminate the need to remove electrical box screws for installation.

A unique side-load battery compartment enables battery installation and removal while the unit is mounted on the ceiling or wall, enhancing convenience. Additionally, two locking features are provided to prevent battery theft and/or theft of the unit, ensuring the alarm remains in place and operational. Electrical connection is made using a "quick-connect" wiring harness, further simplifying the installation process.

The SC9120LBL also includes a dust cover to protect the alarm during construction or renovation, preserving its functionality. Backed by a 10-year limited warranty, this smoke and CO alarm offers long-lasting performance and peace of mind for homeowners.

In summary, the SC9120LBL 120V AC/DC Smoke and CO alarm combines advanced features, such as a 10-year Lithium battery backup, an accurate electrochemical carbon monoxide sensor, and intelligent sensing technology, with a user-friendly and efficient installation process. These characteristics make the SC9120LBL an ideal choice for homeowners seeking a reliable and low-maintenance fire and carbon monoxide detection solution.

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