First Alert CO400CE 3Volt Battery Powered Carbon Monoxide Alarm 398

DESIGN AND INSTALLATION: First Alert CO400CE features an electrochemical CO sensor, an 85dB horn, a single button for test/silence and a red LED that blinks to indicate unit is receiving power. The front access battery door allows battery access without removing the unit from the wall. The low power warning indicator will cause the alarm to "chirp" when the batteries need replacing. The low power warning indicator can be silenced for up to 8 hours. An Alarm Action Chart identifies action steps to take if unit is in alarm. TECHNICAL SPECIFICATION: MODEL CO400CE Weight 5.5 oz Operating Voltage Two 1.5V AA Batteries Temperature Range 40°F (4°C) to 100°F (38°C) Humidity Range 10% to 90% relative humidity (RH) Audio Alarm 85dB at 10 feet Test Button Electronically simulates a carbon monoxide condition, causing the unit to alarm Alarm Reset Automatic when carbon monoxide clears; Press Test/Silence button to reset manually Sensor Electrochemical Indicator LEDs DC Power: Red LED flashes once per minute Local Alarm: Audio alarm (4 beep, pause, 4 beeps) and rapidly flashing Red LED Listing UL2034 Product Guarantee 5 years *excludes battery

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