The First Alert CO605B is a direct plug-in, 120 VAC, 60 Hz single station carbon monoxide alarms specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings as defined in standard NFPA 720. CO605B complies with UL 2034, NFPA 720 and other agencies that model their codes after the above agencies. CO605B meets codes where plug-in AC with battery backup carbon monoxide alarms are required. First Alert CO605B features an electrochemical CO sensor, an 85 dB horn, End of Life and silence features, a single button for test/silence and an LED power indicator. The low power warning indicator will cause the alarm to chirp when the battery needs replacing. The low power warning indicator can be silenced for up to 8 hr. CO605B can be plugged directly into an outlet.

FIRST ALERT Carbon Monoxide Alarm, Electrochemical, 120 VAC, Red LED Visual Indicator Type, 85 dBA at 10 ft, 30 to 400 mg/L, 60 Hz, Anchors, Screws Mount, White, 40 to 100 deg F, 4.9 in Width, 3.4 in Height, 1.6 in D

• Electrochemical carbon monoxide sensor - the most accurate sensor available as compared to other sensing technologies
• Two silence features - can silence the low-battery chirp for up to eight hrs or temporarily silence an unwanted nuisance alarm
• End of life signal provides audible notification alarms needs to be replaced
• A visual LED power-on indicator to confirm unit is receiving power or is in alarm
• A full function test button should check all alarm functions by simulating a CO condition, causing the unit to alarm