First Alert SC9120B Carbon Monoxide Alarm, Alarm: Audible, Electrochemical Sensor, White

ALARM SMOKE/CO AC DC BKUP ION Specifications: Includes: Latching Alarm Indicator Side Load Battery Drawer Tamper-Resistant Locking Pin Test/Silence Button Universal Mounting Bracket The FIRST ALERT BRK SC9120B hardwired combination smoke and carbon monoxide alarm uses an electrochemical carbon monoxide sensing technology and ionization sensor for smoke detection. It includes a 9 V battery for continued function in the event of a power outage and it features a test/silence button, tamper-resistant locking brackets and a universal mounting bracket. This carbon monoxide smok