--- product_id: 56260679 title: "First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location" brand: "first alert" price: "€ 420.26" currency: EUR in_stock: true category: "First Alert" url: https://www.desertcart.sk/products/56260679-first-alert-battery-powered-sco500b-wireless-interconnected-photoelectric-smoke-carbon store_origin: SK region: Slovakia --- # Wireless interconnect tech Battery powered, no wiring Voice alerts with location First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location **Brand:** first alert **Price:** € 420.26 **Availability:** βœ… In Stock ## Summary > 🚨 Stay ahead of danger with smart, wireless peace of mind! ## Quick Answers - **What is this?** First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location by first alert - **How much does it cost?** € 420.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/56260679-first-alert-battery-powered-sco500b-wireless-interconnected-photoelectric-smoke-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 - β€’ **Clear Voice Alerts:** Know exactly what and where the danger is with distinct voice notifications. - β€’ **Dual Threat Detection:** Photoelectric smoke sensing plus carbon monoxide monitoring for comprehensive home protection. - β€’ **Long-Lasting Battery Power:** Operates on included AA batteries for easy installation and reliable performance. - β€’ **Trusted Durability & Warranty:** Backed by UL certification and a 7-year limited warranty for peace of mind. - β€’ **Seamless Wireless Safety Network:** Connect multiple alarms effortlessly with radio frequencyβ€”no wiring, no hassle. ## Overview The First Alert SCO500B is a battery-powered, wireless interconnected smoke and carbon monoxide alarm featuring photoelectric detection and voice alerts that specify the type and location of danger. It connects multiple units via secure 915MHz radio frequency, eliminating the need for wiring, and includes AA batteries for immediate use. Certified to UL2034 standards and backed by a 7-year limited warranty, it offers a reliable, easy-to-install safety solution for modern homes. ## Description Smoke and Carbon Monoxide Alarm, Detection Method: Photoelectric, Interconnection Capability: Yes, Power Source: (2) AA, Audible Alert: 85dB @ 10 ft., Visual Alert: Red LED, Diameter: 5", Height: 2", Depth: 2", Digital Readout: No, Battery Backup: No, Features: Wireless Photoelectric Battery Combination Smoke & CO Alarm, 10 year limited warranty, 915MHz with 65K security codes and 3 channel hopping, Hush Button: Yes, Test Button: Yes, Locking Pin: Yes, Operating Temp.: 40 Degrees to 100 Degrees F, Standards: UL2034, Includes: (2) AA, Manufacturers Warranty Length: 7 Year Limited ## Features - The front cover design of the alarm may vary but product function remains the same. - 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 | Visual | | Best Sellers Rank | 633,356 in DIY & Tools ( See Top 100 in DIY & Tools ) 645 in Smoke Alarms | | Brand | First Alert | | Colour | White | | Country of Origin | USA | | Customer Reviews | 4.5 4.5 out of 5 stars (1,764) | | Global Trade Identification Number | 00029054016324 | | Included Components | Alarm, 2-AA batteries | | Item Dimensions D x W x H | 7.1D x 13W x 13H centimetres | | Item Type Name | OLCOMBOV Wireless Interconnect Smoke and Carbon Monoxide Combo Alarm w/Voice & Location, Frust Free | | Item Weight | 272 g | | Manufacturer | First Alert | | Material | Carbon | | Model Number | OLCOMBOVFF | | Number of Items | 1 | | Part Number | SCO500B | | Power source | Battery Powered | | Product Style | Classic | | Sensor Type | electrochemical,photoelectric | | UPC | 029054016324 | | Unit Count | 1.0 count | ## Product Details - **Alarm:** Visual - **Brand:** First Alert - **Colour:** White - **Global Trade Identification Number:** 00029054016324 - **Item weight:** 272 g - **Material:** Carbon - **Power source:** Battery Powered - **Product dimensions:** 7.1D x 13W x 13H centimetres - **Sensor type:** electrochemical,photoelectric - **Style:** Classic ## Images ![First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Image 1](https://m.media-amazon.com/images/I/61PHjydRemL.jpg) ![First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Image 2](https://m.media-amazon.com/images/I/31ql2IMt99L.jpg) ![First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Image 3](https://m.media-amazon.com/images/I/31p1E4P3dSL.jpg) ![First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Image 4](https://m.media-amazon.com/images/I/3130kVuI18L.jpg) ![First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Image 5](https://m.media-amazon.com/images/I/31CRg34Gr9L.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.sk/products/56260679-first-alert-battery-powered-sco500b-wireless-interconnected-photoelectric-smoke-carbon](https://www.desertcart.sk/products/56260679-first-alert-battery-powered-sco500b-wireless-interconnected-photoelectric-smoke-carbon) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-10-31*