7 Best Smoke Alarm Cameras 2025 in the United States

The First Alert BRK SC-9120B is a hardwired smoke and carbon monoxide detector designed to provide reliable safety for your home. It features a dual ionization smoke alarm and a superior carbon monoxide sensor, which can detect both fast-burning and smoldering fires, as well as CO gas. This makes it a comprehensive choice for home safety. Additionally, it is inter-connectable with other BRK and First Alert alarms, allowing for broad coverage and enhanced safety throughout the home.

The unit includes a 9-volt battery backup, ensuring protection even during power outages, and has a 10-year limited warranty, underscoring its durability and reliability. The installation is straightforward with a universal mount bracket, and it includes a silence/test button for ease of use, along with separate smoke and CO latching alarm indicators for clear alerts.

The First Alert Slim Photoelectric Smoke Alarm with 10-Year Sealed Battery is designed primarily for smoke detection. It excels in providing reliable smoke detection using photoelectric technology, which is optimized to detect larger smoke particles from smoldering fires and helps reduce false alarms.

The device is compact and slim, making it less obtrusive compared to standard smoke alarms. It includes a loud 85-decibel alarm, a single test silence button, and an easy twist-lock mounting system. It's tamper-resistant and comes with a 10-year sealed battery, which aligns with current legislative requirements for smoke alarms in various U.S. states and cities.

The patented smoke entry system ensures efficient detection through a direct path to the sensor. Moreover, First Alert is a trusted brand in home safety with a long-standing reputation since 1958, and this product comes with a 10-year warranty against defects in materials and workmanship.

The Google Nest Protect is a smoke and carbon monoxide detector that comes with a variety of smart features. It excels with a Split Spectrum Sensor, which helps detect both fast-burning and smoldering fires, providing comprehensive protection. One of its standout features is the ability to send phone alerts, so you can be aware of issues even when you're not home. Additionally, it has a friendly voice alert that tells you where the problem is, making it easier to act quickly in an emergency.

The device also supports App Silence, allowing you to hush the alarm through your smartphone, a handy feature for minor incidents like burning toast. Another plus is the Pathlight, which lights your way in the dark when you walk underneath it. The device promises a long lifespan with its 10-year sensors and comes with a Safety Check feature that allows you to test all alarms with a simple tap on the app. However, it should be noted that this model is battery-powered, which means occasional battery replacements are necessary despite its long-life batteries. While it offers Wi-Fi and Bluetooth connectivity, it lacks built-in camera functionality, which might be a downside for those specifically looking for a smoke-alarm combo with integrated cameras.

The Google Nest Protect is a robust and feature-rich smoke and CO detector, particularly suitable for those looking for smart, detailed alerts and easy management through a mobile app.