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Battery Operated Smoke and Fire Alarms

Combination Smoke/CO Alarm w/ 3 AA Batteries

COSM Combination
Features and Benefits
• Talking Alarm – Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces “Fire Fire” when a smoke or fire hazard is detected and announces “Warning Carbon Monoxide” when a CO hazard is detected.
• Combined Carbon Monoxide and Smoke Alarm – A single unit can be installed where previously, two were needed. Reduces installation time and helps to keep home décor attractive.
• Test/Reset Button – Tests alarm circuitry and triggers the voice announcement.
• LEDs – Two LEDs are provided. Flashing green for normal operation and flashing red for alarm condition.
• Low Battery Warning – The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED.
• Battery Powered – Provides protection even during power outages when many fire and carbon monoxide incidents occur.
• Battery Safeguard – Ensures the unit cannot be accidentally mounted without batteries installed.



The Kidde 900-0102 Combination Carbon Monoxide & Smoke Alarm provides two important safety devices in a single unit. This alarm includes a voice warning system that announces “Fire, Carbon Monoxide, Low Battery or Smart HushTM Activation”.
The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement.
This technically advanced combination alarm is battery operated protecting you and your family even during a power outage when many incidences occur.
The 900-0102 is an easy to install alarm that is suitable for all living areas and has a 5 year limited warranty.

Model: KN-COSM-B
Power Source: 3 AA Battery
Sensors: Smoke: Ionization, CO: Fuel Cell
Audio Alarm: 85dB at 10ft
Temperature Range: 40°F (4.4°C) to 100°F (37.8°C)
Humidity Range: 5%-95% relative humidity
Size: 5” in diameter x 1.5” depth
Weight: 13oz
Interconnects: No
120V Interconnectable, Combination Smoke/CO Alarm w/ 9V Battery Back-up
The combination alarm should be installed to comply with all local codes having jurisdiction in your area, Article 760 of the National Electric Code, and NFPA 72. Make certain all alarms are wired to a single, continuous (non-switched) power line, which is not protected by a ground fault interrupter. A maximum of 1000 ft. of wire can be used in the interconnect system. Use standard UL listed household wire (18 gauge or larger as required by local codes).

Interconnects: Up to 24 Kidde devices
(of which 18 can be initiating)