The FCD3BN is a basic battery-operated CO alarm designed for portability. Easily mounts on wall ceiling or rests on dresser or shelf. Includes action chart describing how to respond to an alarm. Meets UL2034. Includes 9-volt alkaline battery. Test-silence button silences the alarm while continuing to monitor CO levels. Permanent CO sensor. Three indicator lights: Battery flashes green for power Alarm flashes red when CO alarm levels are detected Service flashes yellow if service or replacement is required.

• -Alarm Dimensions: 5" L, 4.9" W, 1.5" H
• - Operating Voltage: 9V DC
• - Temp Range: 40F (4C) to 100F (38C)
• - Humidity Range: 10% to 90% Relative Humidity
• - Audio Alarm: 85dB at 10 ft.
• - Test Button: Electronically simulates a carbon monoxide condition, causing the unit to alarm
• - Alarm Reset: Automatic when CO clears; Press Test/Silence button to reset manually
• - Indicator LEDs: DC Power: Flashes Green when unit is receiving power; Horn chirps every 30 seconds when battery is low
• - Service Status: Flashes Yellow when unit needs service or replacement; Horn chirps when light flashes
• - CO Alarm: Audio Alarm (4 beeps, pause, 4 beeps) and rapidly flashing Red LED
• - Listing: UL2034