BRK SMICO110 Interconnect Hardwire Combination Smoke and Carbon Monoxide Alarm with Battery Backup

Battery-powered smoke and carbon monoxide alarm featuring a 10-year sealed 9V lithium battery that requires no maintenance. Equipped with ionization smoke sensing technology to detect fast-flaming fires quickly. Includes a convenient silence feature to temporarily mute the alarm during false alarms or cooking. Hardwire interconnect capability allows multiple units to communicate, so when one alarm detects danger, all connected alarms sound. Reliable protection for homes and living spaces with long-lasting battery backup ensuring continuous operation even during power outages.