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Alarm Type	Smoke & Carbon Monoxide
Power Source	Battery Operated
Sensor	Photoelectric, Electrochemical
Interconnects	No
Battery	2 AA battery operated

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The Kidde 30CUDR DETECT Series Alarm delivers reliable dual protection against smoke and carbon monoxide in a modern, compact design. Powered by 2 AA batteries, it ensures continuous monitoring even during power outages. Featuring advanced sensing technology, it reduces nuisance alarms caused by cooking while maintaining fast, accurate detection. The unit includes self-testing functionality, multi-color LED indicators, and clear audible alerts to keep occupants informed. Designed for easy installation, it provides dependable, code-compliant safety for residential environments.

Top Features

Dual Detection: Smoke (photoelectric) and CO (electrochemical) sensing.
Battery Powered: Operates on 2 AA batteries for uninterrupted protection.
Reduced False Alarms: Enhanced sensing minimizes nuisance alerts.
Self-Testing System: Continuously checks internal components.
LED Status Indicators: Multi-color LEDs provide clear visual alerts.

Specifications Chart

Category	Details
Model	Kidde 30CUDR
Series	DETECT Series
Alarm Type	Smoke + Carbon Monoxide
Smoke Sensor	Photoelectric
CO Sensor	Electrochemical
Audio Alarm	85 dB at 10 ft
CO Response Time	70 ppm: 60–240 min 150 ppm: 10–50 min 400 ppm: 4–15 min
Nuisance Alarm Reduction	Enhanced sensing technology
Self-Testing	Automatic internal diagnostics
Power Source	2 AA Batteries (included)
Installation	Wall or ceiling mount, twist-and-click bracket
Hush Feature	Temporarily silences nuisance alarms
Operating Temperature	40°F to 100°F (4.4°C to 37.8°C)
Humidity Range	10% to 95% RH (non-condensing)
Dimensions	5" W x 2" D x 5" H
Weight	0.84 lb
Certifications	UL 217, UL 2034, NFPA 72, FHA, HUD
Warranty	10-Year Limited Warranty

All Kidde smoke alarms meet UL 217 standard and are listed with the California State Fire Marshal. They use the new UL mandated repeating 85-decibel alarm horn pattern. 10-year limited warranty. For a full list of states and cities requiring 10 Year alarms click here.

Don't know what type of smoke and carbon monoxide alarm is right for your home? Check out our guide on how to choose the right smoke detector for your home.

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In The Box

1 Smoke & Carbon Monoxide Alarm
1 Mounting Bracket
1 Dust Cover
1 English/ Spanish Instructions Manual

Info & Guides

User Manual	Download
Specification Sheet	Download

Kidde 30CUDR Combo Smoke & CO Alarm