--- product_id: 713733663 title: "First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated" brand: "first alert" price: "FREE" currency: SAR in_stock: false url: https://www.desertcart.com.sa/products/713733663-first-alert-sco501cn-3st-wireless-interconnected-combination-smoke-and-carbon store_origin: SA region: Saudi Arabia --- # Wireless interconnect up to 18 units 85dB loud alarm with voice location Battery-operated for easy installation First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated **Brand:** first alert **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🚨 Stay ahead of danger with smart, connected peace of mind! ## Quick Answers - **What is this?** First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated by first alert - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/713733663-first-alert-sco501cn-3st-wireless-interconnected-combination-smoke-and-carbon) ## Best For - first alert enthusiasts ## Why This Product - Trusted first alert brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Threat Detection:** Photoelectric smoke + electrochemical CO sensors minimize false alarms while maximizing safety. - • **Trusted Legacy of Safety:** From the pioneers of home alarms since 1958, reliability you can count on. - • **Clear Voice Location Alerts:** Know exactly where danger strikes with 11 programmable voice locations. - • **User-Friendly Battery Access:** EZ access battery drawer means no ceiling removal for quick changes. - • **Effortless Wireless Safety Network:** Connect up to 18 alarms seamlessly for whole-home protection. ## Overview The First Alert SCO501CN-3ST is a battery-operated, wireless interconnected smoke and carbon monoxide alarm featuring advanced photoelectric and electrochemical sensors. It supports up to 18 linked units, delivering clear 85dB alarms with voice location alerts to pinpoint threats. Designed for easy installation and maintenance, it offers a trusted, comprehensive safety solution for modern homes. ## Description The First Alert SCO501CN 3ST Combination Smoke and Carbon Monoxide Alarm with Voice Location detects both smoke and carbon monoxide in a single device. The alarm interconnects with up to 18 other First Alert enabled alarms in your home to create a wireless safety network. The photoelectric smoke sensor is designed to reduce false alarms from cooking smoke or shower steam while remaining sensitive to real danger. The advanced electrochemical CO sensor detects carbon monoxide leaks from multiple sources, including faulty fuel burning appliances. A loud 85 decibel siren and a voice alarm with 11 programmable locations indicate where and what the threat is. EZ access battery drawer, no need to remove alarm from ceiling to change battery. ## Features - Battery operated smoke and carbon monoxide alarm can be installed easily - Connects multiple alarms together for wireless safety network - Voice alarm gives clear indication of where the problem is located - Features photoelectric smoke sensor and electrochemical CO sensor - One button silences a false alarm and tests the unit. Loud 85 decibel alarm.NOTE: Kindly refer to the user manual provided as a PDF manual in the product description section.First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000EVO7C2 | | Alarm | Audible | | Brand | First Alert | | Built-In Media | Smoke detector, batteries | | Color | White | | Customer Reviews | 4.6 4.6 out of 5 stars (2,512) | | Enclosure Material | FIRST ALERT SCO501CN-3ST Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Location | | Global Trade Identification Number | 00029054002457 | | Item Dimensions D x W x H | 5.1D x 12.7W x 12.7H centimeters | | Item Type Name | Smoke and Carbon Monoxide Alarm | | Item Weight | 91 g | | Manufacturer | First Alert | | Mfr Part Number | SCO500 | | Model Number | SCO500 | | Number of Items | 1 | | Power Source | Battery Powered | | Product Style | SCO501CN-3ST | | Sensor Type | Electrochemical, Photoelectric | | UPC | 029054002457 | | Unit Count | 1 Count | ## Product Details - **Brand:** First Alert - **Colour:** White - **Power source:** Battery Powered - **Product dimensions:** 5.1D x 12.7W x 12.7H centimeters - **Style:** SCO501CN-3ST ## Images ![First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated - Image 1](https://m.media-amazon.com/images/I/61e5TRDubdL.jpg) ## Available Options This product comes in different **Pattern, Style** options. ## Frequently Bought Together - FIRST ALERT SCO501CN-3ST Smoke and Carbon Monoxide Alarm, 120 V, White, Pack of 1 - FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button - FireAngel Combination Smoke and Carbon Monoxide Alarm for Home - SCB10-R, 10 Year Life, Dual Carbon Monoxide Detector and Smoke Alarm with Test and Hush Button - Combined CO and Fire Alarm - White --- ## 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.com.sa/products/713733663-first-alert-sco501cn-3st-wireless-interconnected-combination-smoke-and-carbon](https://www.desertcart.com.sa/products/713733663-first-alert-sco501cn-3st-wireless-interconnected-combination-smoke-and-carbon) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-10-20*