[shortdesc] Alarm Type Smoke & Carbon Monoxide Power Source Hardwired Sensor Electrochemical, Photoelectric Interconnects Yes Replacement Batteries 2 AA [/shortdesc] Product Description The Kidde 30CUAR is a cutting-edge smoke and carbon monoxide alarm that combines safety and modern technology in one device. Designed for reliability, it features a photoelectric smoke sensor and an electrochemical CO sensor for dual-alert functionality. The alarm offers advanced sensing to reduce nuisance alarms, enhancing everyday convenience while maintaining protection. Its hardwired connection with a 2 AA backup ensures continuous operation, even during power outages. Perfect for residential applications, it includes an easy-install bracket and end-of-life notifications for added peace of mind. Top Features Dual Detection Technology: Photoelectric smoke and electrochemical CO sensors for comprehensive safety. Interconnected System: When one alarm sounds, all connected alarms activate. Backup Power: Operates on 120V AC with 2 AA battery backup for outages. Self-Testing Functionality: Continuously checks internal components for proper operation. Easy Installation: Includes twist-and-click mounting bracket for quick setup. Category Details Model 30CUAR Type Smoke + Carbon Monoxide Alarm Sensors Photoelectric (Smoke), Electrochemical (CO) Power Source 120V AC with 2 AA Battery Backup Hush Feature Temporarily silences nuisance alarms Interconnect Capability Connects with up to 24 Kidde devices End-of-Life Notification Alerts after 10 years of operation Smoke Alarm Warning 3 long beeps and red LED flash CO Alarm Warning 4 quick beeps and red LED flash Low Battery Alert One chirp and amber LED flash per minute Audio Alarm 85 dB at 10 ft Operating Temperature 40°F to 100°F (4.4°C to 37.8°C) Operating Humidity 10% to 95% RH, non-condensing Size 5" W x 5" H x 2" D Weight 0.86 lbs Replacement Batteries 2 AA (Energizer or Gold Peak) Warranty 10-Year Limited Warranty This description, feature section, and reorganized HTML specification chart provide a clear and practical overview of the Kidde 30CUAR Smoke + Carbon Monoxide Alarm. Let me know if additional tweaks or enhancements are needed! All BRK Electronics 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. === In The Box 1 Smoke & Carbon Monoxide Alarm 1 Mounting Bracket 1 Easy Adapter Plug for installation 1 Dust Cover 2 AA Alkaline Backup Battery 1 English/ Spanish Instructions Manual Info & Guides User Manual Download Specification Sheet Download