{"product_id":"first-alert-brk-sc-9120b-hardwired-smoke-co-detector-with-battery-backup-24-7-protection","title":"First Alert BRK SC-9120B Hardwired Smoke \u0026 CO Detector with Battery Backup – 24\/7 Protection","description":"\u003ch2\u003eReliable, round-the-clock protection for every room\u003c\/h2\u003e\n\u003cp\u003eThe First Alert BRK SC-9120B combines a hardwired smoke detector with a carbon monoxide sensor and a 9V battery backup, delivering continuous coverage even during power interruptions. Designed for ease of use and long-term reliability, it helps you monitor both smoke and CO with a single, compact device.\u003c\/p\u003e\n\u003cp\u003eIn real-world terms, you’ll notice clear, easy-to-interpret indicators when alarms are triggered. The unit’s intelligent sensing helps keep nuisance alarms to a minimum, while its robust construction supports frequent testing and maintenance without interrupting daily life.\u003c\/p\u003e\n\n\u003ch3\u003eKey capabilities at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e24\/7 protection with 120V power and a backup battery to maintain coverage when power is out\u003c\/li\u003e\n  \u003cli\u003eElectrochemical CO sensor paired with dual ionization smoke sensing for broadened detection\u003c\/li\u003e\n  \u003cli\u003eInter-connectable with BRK and First Alert hardwired alarms to synchronize alerts across multiple units\u003c\/li\u003e\n  \u003cli\u003eSingle-button test and silence with separate indicators for smoke and CO\u003c\/li\u003e\n  \u003cli\u003e9-volt battery included; seven-year limited warranty for added peace of mind\u003c\/li\u003e\n  \u003cli\u003eAdvanced features silence nuisance alarms temporarily and provide an end-of-life signal for replacement needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEasy installation and ongoing maintenance are core to this model. A large mounting bracket opening simplifies wiring access, while keyhole slots let you align the unit without removing screws from the electrical box. The battery can be installed or replaced via a side compartment, so you don’t have to detach the detector from the ceiling or wall. A battery pull tab helps keep the battery fresh until the home is occupied, and a quick-connect wiring harness speeds up setup when you’re wiring multiple devices.\u003c\/p\u003e\n\n\u003ch3\u003ePractical, real-world benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNuisance alarm reduction thanks to intelligent sensing helps you sleep through typical household fluctuations\u003c\/li\u003e\n  \u003cli\u003eDistinct latching indicators clearly show whether the trigger came from smoke or CO, aiding quick response\u003c\/li\u003e\n  \u003cli\u003eTwo locking features deter theft in shared or rental environments\u003c\/li\u003e\n  \u003cli\u003eDust cover helps protect sensors during installation and transport, contributing to long-term reliability\u003c\/li\u003e\n  \u003cli\u003eEnd-of-life signal audibly reminds you when replacement is due, so you stay protected\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty, installation notes, and care\u003c\/h3\u003e\n\u003cp\u003eThis model includes a seven-year limited warranty and is manufactured to balance performance with accessibility. For installation, rely on a universal mounting bracket, easy-to-access wiring, and a simple testing workflow that keeps routine checks quick and non-disruptive. The unit’s design supports secure mounting and straightforward maintenance, so you can focus on everyday safety without complex setup.\u003c\/p\u003e\n\n\u003cp\u003eWhether you’re equipping a single room or updating an entire home, the BRK SC-9120B aims to deliver dependable detection and practical features that align with typical everyday needs. Consider it as part of a layered safety approach that prioritizes real-life use, clear signals, and straightforward serviceability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What makes the First Alert BRK SC-9120B suitable for homes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It combines smoke and CO sensors with 24\/7 protection, battery backup, easy testing, and a long warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this detector interconnect with other alarms?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it inter-connects with BRK and First Alert hardwired models for coordinated alerts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"First Alert","offers":[{"title":"Default Title","offer_id":47468380946606,"sku":"B000HEC4EO","price":152.43,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/first-alert-brk-sc-9120b-front-view.jpg?v=1770399336","url":"https:\/\/handyskook.ca\/products\/first-alert-brk-sc-9120b-hardwired-smoke-co-detector-with-battery-backup-24-7-protection","provider":"HandySkook","version":"1.0","type":"link"}