--- product_id: 649336512 title: "SMCO500V, Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack" brand: "first alert" price: "$115.72" currency: USD in_stock: true category: "First Alert" url: https://www.desertcart.us/products/649336512-smco500v-interconnect-battery-operated-combination-smoke-and-carbon-monoxide-alarm store_origin: US region: United States of America --- # Voice & location alerts for instant clarity Battery-powered for easy, wireless install Precision Detection tech reduces false alarms SMCO500V, Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack **Brand:** first alert **Price:** $115.72 **Availability:** ✅ In Stock ## Summary > 🚨 Stay ahead of danger with smart, voice-guided protection! ## Quick Answers - **What is this?** SMCO500V, Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack by first alert - **How much does it cost?** $115.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/649336512-smco500v-interconnect-battery-operated-combination-smoke-and-carbon-monoxide-alarm) ## 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 - • **Voice & Location Alerts:** Clear spoken warnings tell you the exact danger and its location, guiding your safe escape. - • **Dual Smoke & CO Protection:** Comprehensive 2-in-1 safety guards your home against both smoke and carbon monoxide threats. - • **Battery-Powered Convenience:** No wiring hassles—install anywhere and maintain effortlessly with long-lasting batteries. - • **Interconnected Early Warning:** When one alarm sounds, all compatible alarms activate—ensuring your entire home is instantly alerted. - • **Precision Detection Technology:** Cutting-edge sensors minimize nuisance alarms so you only get alerted when it truly matters. ## Overview The First Alert SMCO500V is a battery-operated combination smoke and carbon monoxide alarm featuring advanced Precision Detection technology to reduce false alarms. It interconnects with compatible units for whole-home alerts and uses voice and location announcements to guide safe evacuation. Easy to install and maintain, it offers reliable 2-in-1 protection with a 10-year limited warranty. ## Description The First Alert SMCO500V Interconnect Battery-Operated Combination Smoke & Carbon Monoxide with Voice & Location Alerts helps provide an early warning and guide your escape to safety. Also equipped with First Alert's Precision Detection advanced sensing technology that meets new industry standards. ## Features - First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency - Through early warning interconnect, when one alarm sounds, all compatible* alarms will sound - Voice & location alerts tell you what the danger is and its location to help you escape safely - Battery-operated alarm is easy to install and maintain - Provides reliable 2-in-1 protection against both smoke and carbon monoxide ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CV54Z1Q7 | | Alarm | Smoke and CO Alarm | | Best Sellers Rank | #9,502 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #30 in Smoke & Carbon Monoxide Alarms | | Brand | First Alert | | Built-In Media | AA Batteries | | Color | White | | Customer Reviews | 4.3 4.3 out of 5 stars (302) | | Enclosure Material | Plastic | | Global Trade Identification Number | 00194160011843 | | Item Dimensions D x W x H | 5"D x 5"W x 2"H | | Item Type Name | Smoke and CO Alarm | | Item Weight | 10.9 Ounces | | Manufacturer | Resideo | | Manufacturer Warranty Description | 10 Years Limited | | Mfr Part Number | 1048446 | | Model Number | SMCO500V | | Number of Items | 1 | | Power Source | Battery Powered | | Product Style | Precision Detection | | Sensor Type | Photoelectric | | UPC | 194160011843 | | Unit Count | 1.0 Count | ## Product Details - **Alarm:** Smoke and CO Alarm - **Brand:** First Alert - **Color:** White - **Global Trade Identification Number:** 00194160011843 - **Item Weight:** 10.9 Ounces - **Material:** Plastic - **Power Source:** Battery Powered - **Product Dimensions:** 5"D x 5"W x 2"H - **Sensor Type:** Photoelectric - **Style:** Precision Detection ## Images ![SMCO500V, Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack - Image 1](https://m.media-amazon.com/images/I/61CT1CiIWIL.jpg) ## Available Options This product comes in different **Pattern, Size, Style** options. ## Frequently Bought Together - First Alert SMCO500V, Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack - First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack - BRK-First Alert SA520B OneLink Smoke Alarm, 120V AC, Hardwired, 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.us/products/649336512-smco500v-interconnect-battery-operated-combination-smoke-and-carbon-monoxide-alarm](https://www.desertcart.us/products/649336512-smco500v-interconnect-battery-operated-combination-smoke-and-carbon-monoxide-alarm) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-18*