BRK Brands model SC9120LBL is a wire-in, 120-Volt AC/DC with 10-year lithium battery backup ionization smoke and electrochemical CO alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotel/motels, dormitories and other multi-family dwellings. Eliminate battery replacements and reduce maintenance costs for an entire decade. SC9120LBL has a factory-locked backup battery compartment in which residents cannot tamper with or remove. Properties remain protected without additional maintenance for the facilities maintenance team.

• 10-years battery backup - no battery change or battery maintenance required for 10-years, perfect for multi-family applications
• Dual sensor - ionization smoke sensor and electrochemical CO sensor
• Latching alarm indicator - remembers which unit initiated an alarm
• Single test/silence button
• End of life signal - provides audible notice when alarm needs to be replaced after 10-years