--- product_id: 657189515 title: "Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack" brand: "kidde" price: "€ 281.20" currency: EUR in_stock: true category: "Kidde" url: https://www.desertcart.fi/products/657189515-kidde-hardwired-smoke-and-carbon-monoxide-detector-aa-battery-backup store_origin: FI region: Finland --- # Dual power: Hardwired + AA backup Interconnectable alarms 2-in-1 Smoke & CO detection Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack **Brand:** kidde **Price:** € 281.20 **Availability:** ✅ In Stock ## Summary > 🚨 Stay ahead of danger with Kidde’s smartest dual-sensor alarm—because your peace of mind can’t wait. ## Quick Answers - **What is this?** Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack by kidde - **How much does it cost?** € 281.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/657189515-kidde-hardwired-smoke-and-carbon-monoxide-detector-aa-battery-backup) ## Best For - kidde enthusiasts ## Why This Product - Trusted kidde brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Threat Defense:** Combines smoke and carbon monoxide detection in one sleek device for comprehensive home safety. - • **Effortless Monitoring:** LED status indicators and self-testing keep you informed and confident your alarm is always ready. - • **Connected Safety Network:** Interconnectable feature means when one alarm sounds, all alarms alert—maximizing your family’s escape time. - • **Uninterrupted Protection:** Hardwired with 2 AA battery backup ensures your alarm stays active even during power outages. - • **Smart False Alarm Reduction:** Advanced sensing technology minimizes nuisance alerts from cooking, so you only get real warnings. ## Overview The Kidde Hardwired Smoke & Carbon Monoxide Detector 2-Pack offers cutting-edge dual detection with photoelectric and electrochemical sensors, hardwired power plus AA battery backup, and interconnect capability for whole-home alerts. Designed to reduce false alarms and meet the latest UL safety standards, it features LED status lights, self-testing, and a 10-year lifespan with end-of-life notifications—ensuring reliable, uninterrupted protection for your home and loved ones. ## Description Experience the next level of fire safety with the Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 2 Pack, model 30CUAR. This smoke & CO detector has enhanced sensing technology that reduces false alarms often caused by cooking and sends fast alerts that help give your family more time to get out safely. To detect carbon monoxide, an electrochemical sensor is used. This alarm offers a modern 5-inch design ideal for all living spaces such as living rooms, hallways, kitchens, & bedrooms. Comprehensively tested and designed to the latest UL standard for safety and reliability, the 5-inch smoke & CO alarm is powered by 120V AC wiring with 2 AA alkaline replaceable backup batteries (included) for continual detection even during outages. Batteries should be replaced every 6 months or when the alarm sounds a low battery chirp. In addition, it’s self-testing and easy to install with the included twist-and-click mounting bracket. This Kidde combination alarm is equipped with end-of-life notifications that will beep to remind you it’s time to replace it at the of its 10-year lifespan. Meets requirements of 9th Edition UL 217, UL 2034 4th Edition, FCC, and CSFM. ## Features - 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector. - HARDWIRED & 2 AA BATTERY BACKUP (Included): Operates on 120V AC wiring (installed in the ceiling) with 2 AA alkaline batteries that provide battery backup coverage during power outages. - ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards. - INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.) - SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation. - 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound. - TEST & HUSH BUTTON: Makes it easy to test the 5-inch combination detector and silence false alarms, should they occur. - 10-YEAR LIMITED WARRANTY: Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DDW7NL1K | | Alarm | Smoke and Carbon Monoxide Alarm | | Best Sellers Rank | #30,696 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #48 in Smoke & Carbon Monoxide Alarms | | Brand | Kidde | | Built-In Media | AA batteries, Mounting Hardware, Two Alarm, User Guide | | Color | White | | Customer Reviews | 4.4 4.4 out of 5 stars (920) | | Enclosure Material | Plastic | | Global Trade Identification Number | 00047871328482 | | Item Dimensions D x W x H | 1.88"D x 5"W x 5"H | | Item Type Name | Smoke and Carbon Monoxide Alarm | | Item Weight | 12.8 ounces | | Manufacturer | Kidde | | Manufacturer Warranty Description | 10-year Limited Warranty | | Mfr Part Number | 21032848 | | Model Number | 30CUAR | | Number of Items | 1 | | Operating Humidity | 10 to 95% relative humidity (RH), non-condensing | | Power Source | Corded Electric | | Product Style | 9th Edition | | Sensor Type | Photoelectric, Electrochemical | | UPC | 047871328482 | | Unit Count | 2 Count | | Upper Temperature Rating | 100 °F | ## Product Details - **Alarm:** Smoke and Carbon Monoxide Alarm - **Brand:** Kidde - **Color:** White - **Item Weight:** 12.8 ounces - **Operating Humidity:** 10 to 95% relative humidity (RH), non-condensing - **Power Source:** Corded Electric - **Product Dimensions:** 1.88"D x 5"W x 5"H - **Sensor Type:** Photoelectric, Electrochemical - **Style:** 9th Edition - **Upper Temperature Rating:** 100 °F ## Images ![Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack - Image 1](https://m.media-amazon.com/images/I/71NDTXguf8L.jpg) ![Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack - Image 2](https://m.media-amazon.com/images/I/41djznT1EAL.jpg) ![Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack - Image 3](https://m.media-amazon.com/images/I/51dSA89oL7L.jpg) ![Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack - Image 4](https://m.media-amazon.com/images/I/41G6ASOkgML.jpg) ![Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack - Image 5](https://m.media-amazon.com/images/I/41LhLTreDbL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What does the 30CUAR alarm detect?** A: The 30CUAR detects smoke and carbon monoxide. It combines smoke and CO alerts in one home safety alarm. **Q: How is the 30CUAR powered?** A: The 30CUAR is hardwired with 2 AA backup batteries. Backup power helps keep the alarm on during outages. **Q: How do I clean the 30CUAR to help reduce nuisance alarms?** A: Clean the 30CUAR at least once a year. Use compressed air or a vacuum hose around openings and a dry cloth outside. Avoid water, cleaners, aerosols and paint. **Q: Can the 30CUAR connect with other alarms?** A: Yes. The 30CUAR can interconnect with compatible alarms so they can sound together in the home. **Q: When should I replace the 30CUAR?** A: Replace the 30CUAR after 10 years or when end-of-life alerts begin. Follow the user guide for replacement guidance. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fi/products/657189515-kidde-hardwired-smoke-and-carbon-monoxide-detector-aa-battery-backup](https://www.desertcart.fi/products/657189515-kidde-hardwired-smoke-and-carbon-monoxide-detector-aa-battery-backup) --- *Product available on Desertcart Finland* *Store origin: FI* *Last updated: 2026-11-06*