--- product_id: 290105362 title: "FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White" brand: "first alert" price: "$4.68" currency: USD in_stock: false url: https://www.desertcart.us/products/290105362-first-alert-sco500b-wireless-interconnected-photoelectric-smoke-and-carbon-monoxide store_origin: US region: United States of America --- # Wireless interconnect Voice alerts Battery operated FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White **Brand:** first alert **Price:** $4.68 **Availability:** ❌ Out of Stock ## Summary > πŸ”’ Safety in Sync: Your Home's Guardian Angels! ## Quick Answers - **What is this?** FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White by first alert - **How much does it cost?** $4.68 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/290105362-first-alert-sco500b-wireless-interconnected-photoelectric-smoke-and-carbon-monoxide) ## 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 - β€’ **Peace of Mind:** Stay safe with a reliable, interconnected system. - β€’ **Instant Alerts:** When one alarm sounds, they all doβ€”stay informed instantly. - β€’ **Seamless Safety:** Easily install without wiringβ€”just set and forget! - β€’ **Clear Communication:** Voice alerts specify the danger and its location. - β€’ **Networked Protection:** Connect multiple alarms for a comprehensive safety net. ## Overview The FIRST ALERT SCO500B is a battery-operated smoke and carbon monoxide alarm that offers easy installation and wireless interconnectivity. This advanced system allows multiple alarms to communicate, ensuring that when one detects danger, all alarms sound off. With clear voice alerts indicating the type and location of the threat, this device provides a comprehensive safety solution for modern homes. ## Description The First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location detects smoke and elevated carbon monoxide levels and can work with compatible models to create a wireless alert system throughout your home (additional alarms sold separately). For those who want a comprehensive detection system without hiring an electrician or worrying about hardwiring, this battery operated CO smoke detector combo is an ideal solution. Wireless technology connects the detector with other compatible First Alert wireless enabled alarms in your home to create a wireless safety network. Up to 16 compatible alarms can communicate with each other and alert you when there is a problem across the house even in a different room or on a different floor. 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 is designed to wake event he soundest sleepers, and a voice alarm indicates where and what the threat is. ## Features - Battery operated smoke and carbon monoxide alarm can be installed easily - Wireless interconnect uses radio frequency communication to connect the alarms, without any electrical wiring needed. - Connects multiple alarms together for wireless safety network (not z-wave compatible) - When your alarms are interconnected, they communicate with each other, forming an integrated system of protection for your home - When one alarm sounds, all alarms will sound.Voice alarm gives clear indication of what the danger is and where it is located ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0064S9IQ4 | | Alarm | Audible | | Brand | First Alert | | Built-In Media | Alarm, 2-AA batteries | | Color | White | | Customer Reviews | 3.8 3.8 out of 5 stars (6) | | Enclosure Material | Carbon | | Global Trade Identification Number | 00029054016324 | | Item Dimensions D x W x H | 7.1D x 13W x 13H centimeters | | Item Type Name | OLCOMBOV Wireless Interconnect Smoke and Carbon Monoxide Combo Alarm w/Voice & Location, Frust Free | | Item Weight | 272 g | | Manufacturer | First Alert | | Mfr Part Number | SCO500B | | Model Number | OLCOMBOVFF | | Number of Items | 1 | | Operating Humidity | 95 percent | | Power Source | Battery Powered | | Product Style | SCO500B | | Sensor Type | Photoelectric | | UPC | 029054016324 | ## Product Details - **Brand:** First Alert - **Colour:** White - **Power source:** Battery Powered - **Product dimensions:** 7.1D x 13W x 13H centimeters - **Style:** SCO500B ## Images ![FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 1](https://m.media-amazon.com/images/I/61PHjydRemL.jpg) ![FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 2](https://m.media-amazon.com/images/I/71XydNtGa8L.jpg) ![FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 3](https://m.media-amazon.com/images/I/61t1A60C-0L.jpg) ![FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 4](https://m.media-amazon.com/images/I/61wgm-oPC+L.jpg) ![FIRST ALERT SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, White - Image 5](https://m.media-amazon.com/images/I/61dup3OD5EL.jpg) ## Frequently Bought Together - First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - First Alert SM500V, Interconnect Battery-Operated Smoke Alarm with Voice Alerts, 1-Pack --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/290105362-first-alert-sco500b-wireless-interconnected-photoelectric-smoke-and-carbon-monoxide](https://www.desertcart.us/products/290105362-first-alert-sco500b-wireless-interconnected-photoelectric-smoke-and-carbon-monoxide) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-17*