Description the Kidde® front-loading smoke and carbon monoxide alarm (part #21007624) offers protection from two hazards fire and CO in one unit. Sold under the FireX brand, this AC wire with battery backup alarm emits a beeping tone followed by a voice warning that clearly announces the danger by saying, Fire! Fire! or Warning! carbon Monoxide!. The uniquely designed frontloading battery compartment makes battery replacement quick and easy and ensures proper installation. Manufactured with photoelectric sensors for detecting smoke and fire, this alarm also includes the world most accurate CO sensing technology based on claims by major manufacturers.

Kidde® Carbon Monoxide and Smoke Detector Alarm, Combination Tamper-Resistant, 120 VAC with 9 VDC Battery Backup Power Source, 10 ft Detection, Electrochemical/Photoelectric Sensor, Alarm: Audible Alarm, Up to 24 Devices Interconnection, 85 dB Alert, Flashing LED Visual Alert, 5 to 95 % Humidity, Quick-Connect Plug with 8 in Pigtail Wiring, 40 to 100 deg F Operating, Plastic, White, 5.79 in Dia x 1.85 in D

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• Provides protection from two hazards fire and carbon monoxide in one unit with photoelectric sensor
• AC wire with battery backup-Powered by home electricity in order to provide continuous protection
• Front loading battery speeds up replacement by eliminating the need to remove the unit from the ceiling or wall
• Unique battery door design will not close if battery is not installed properly
• Voice warning supplements warning from the traditional 85 dB alarm by clearly stating the danger present, fire or carbon monoxide
• Photoelectric smoke sensor may detect visible fire particles associated with slow smoldering fires sooner than an ionization sensor
• Electrochemical carbon monoxide sensor accurate and continual carbon monoxide protection during the product life, remains stable during temperature and humidity changes and resists reactions to household gases that may cause false readings or reduce sensitivity
• Tamper-resistant silences nuisance alarms for approximately 9 min
• Green LED will flash every 30 s to indicate proper operation
• Red LED flashes in conjunction with the alarm sounding
• End of life signal 10 years after initial power, the unit will chirp twice every 30 s to indicate the need to immediately replace the alarm
• Low battery signal will chirp every minute and red led will flash to indicate low-battery condition
• Interconnectable will interconnect with up to 24 other devices (18 of which can be initiating) including smoke, carbon monoxide and heat alarms
• Smart touch button 1-button
• Battery protects during short circuit power outages