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Google Nest Protect Comparison - June 2025
| 1 Best Choice  9.8Exceptional | 2 Best Value  9.5Excellent | 3  9.4Excellent | 4  9.1Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelX-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display (Standalone Model) | Model X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo with Replaceable Battery, Wi-Fi Smoke and Carbon Monoxide Detector with Real-Time App Notifications, SC07-WX, 3-Pack | Model Google Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm, Hardwired Smoke and Carbon Monoxide Detector - Lifespan May Vary | Model X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo with No Fee App Notification, Replaceable Battery Powered Smoke Detector and Carbon Monoxide Detector, SC06-WX, 1-Pack |
BrandX-Sense | Brand X-Sense | Brand Google | Brand X-Sense |
Reviews | Reviews  | Reviews - | Reviews |
Tech Specs | |||
product dimensions 2D x 5.7W x 5.7H | product dimensions 5.7 x 5.7 x 2 inches | product dimensions 1.5D x 5.3W x 5.3H | product dimensions 5.7D x 5.7W x 2H |
batteries 2 Lithium Metal batteries required. included | batteries 3 CR123A batteries required. included | batteries 3 Lithium Metal batteries required. | batteries 1 CR123A batteries required. included |
item weight 10.6 ounces | item weight 2.64 pounds | item weight 5 pounds | item weight 13.4 ounces |
size 1-Pack | size 3-Pack | size 1 | size 1-Pack |
power source Battery Powered | power source Battery Powered | power source Wired | power source Battery Powered |
style Standalone Model | style Wi-Fi Connected Model | style Wired | style Wi-Fi Connected Model |
batteries included Yes | batteries included Yes | batteries included - | batteries included Yes |
number of items 1 | number of items - | number of items 1 | number of items 1 |
included components detector, mounting bracket, screws, manual | included components - | included components Wall plate | included components 1 User Manual, 2 Screws and Anchor Plugs, 1 Smoke and Carbon Monoxide Alarm SC06-WX, 1 CR123A Replaceable Battery Packed with Equipment |
alarm Audible | alarm - | alarm Audible | alarm Alarm |
customer reviews4.6 4.6 out of 5 stars 4, 675 ratings 4.6 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 500 ratings 4.5 out of 5 stars | customer reviews - | customer reviews 4.5 4.5 out of 5 stars 6 ratings 4.5 out of 5 stars |
battery cell type Lithium Metal | battery cell type Lithium Metal | battery cell type - | battery cell type Lithium Metal |
item package quantity 1 | item package quantity - | item package quantity 1 | item package quantity 1 |
material Heat-Resistant PC Plastic Material | material Heat-Resistant PC Plastic Material | material - | material Heat-Resistant PC Plastic Material |
sensor type Photoelectric, Electrochemical | sensor type - | sensor type Electrochemical | sensor type Photoelectric, Electrochemical |
batteries required Yes | batteries required Yes | batteries required - | batteries required Yes |
Available On  | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1X-SenseX-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display (Standalone Model)
Why we love it
1. This smoke and carbon monoxide detector can save your life by detecting both smoke and carbon monoxide.
2. The battery lasts for 10 years, so you dont have to worry about changing batteries.
3. X Sense offers a 60 day money back guarantee, a 5 year warranty, and lifetime customer support.
Main highlights- Simple Installation: Requires no rewiring; easy to mount this smoke and carbon monoxide alarm on any wall or ceiling with the included mounting bracket, screws, and anchor plugs
- Please Note: SC07 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC07-W. For Wi-Fi functionality, look for SC07-WX or SC07-MR
- Informative LCD: Displays real-time CO levels from 30–999 ppm (parts per million) taken from the surrounding air, as well as battery level and working status
- Combination Alarm with CO Readings: When the alarm is triggered, the LCD will display the CO concentration and illuminate. In standby mode, the LCD turns off to ensure you are not disturbed
- 2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor
- 10-Year Battery: The fire and CO alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage
-
9.5
2X-Sense29% Off
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo with Replaceable Battery, Wi-Fi Smoke and Carbon Monoxide Detector with Real-Time App Notifications, SC07-WX, 3-Pack
Main highlights- Real-Time Notifications: Keep an eye on your home from anywhere and get immediate push notifications through the X-Sense Home Security app for alarms, low battery, faults, and more
- Please Note: SC07-WX supports Wi-Fi; it does not support wireless interconnection and cannot be used with a base station; multiple SC07-WX units added to the app will operate independently and will not communicate with each other
- Fast Fire Dispatch Within Just 3 Seconds: By subscribing to the (optional) Protect+ Premium subscription plan which provides 24/7 professional monitoring service, when an alarm is triggered, you will receive a message from the monitoring center within 3 seconds to verify the emergency. After the emergency is verified, a fire truck will be dispatched immediately
- Direct 2.4 GHz Wi-Fi Connection: The battery-powered smoke and carbon monoxide alarm connects directly to the X-Sense Home Security app via the 2.4 GHz Wi-Fi network, no base station required
- Device Sharing: With the X-Sense Home Security app, you can effortlessly share your devices with 12 family and friends, enabling them to monitor your home safety and receive crucial alerts
- Decade-Long Safety with Precision Detection: This 2-in-1 alarm combines photoelectric smoke and Figaro electrochemical CO sensors, giving you the utmost safety and peace of mind; powered by replaceable battery, not AC hardwired
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9.4
3Google25% Off
Google Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm, Hardwired Smoke and Carbon Monoxide Detector - Lifespan May Vary
Main highlights- WHAT IS THE REPLACE BY DATE - Using a Nest Protect past "Replace By" date *may lead to reduced sensor accuracy and reliability. Regular testing becomes critical. *The Recommendation is a guideline for ideal replacement making regular testing essential to ensure your Nest Protect's continued functionality. Test your Nest Protect monthly, at a minimum, using the button or the Nest app
- STAY ON TOP OF ANY SITUATION Synchronized sensors ensure that when 1 alarm senses danger, every alarm in the house will make you aware of the situation. If carbon monoxide is present, Nest Protect links with your Nest Thermostat (sold separately) to automatically turn off your gas furnace
- SIMPLE TO CONNECT AND EASY TO REPLACE - Between Two To Five Years of Operational Period Before Suggested Replacement
- SEND ALERTS TO YOUR SMARTPHONE Provides battery and sensor status notifications so you're always informed, and safety history so you can see what happened over the last 10 days. You can even silence the alarm from your smartphone
- RECEIVE CLEAR DIRECTION IN AN EMERGENCY Alarm speaks to you with a human voice and tells you the location and levels of smoke or carbon monoxide when they are present
- PROTECT YOUR LOVED ONES AND YOUR HOME Detects levels of smoke and carbon monoxide within your home and tests itself automatically
- PACKAGE INCLUDES: Google Nest Protect (2nd Gen) Wired Smart Smoke & Carbon Monoxide Alarm with 12-Month Usage - Chalk, 120 AC Connector and User Guide
- LIGHT YOUR PATH AT NIGHT Pathlight illuminates your way in the dark. Adjust its brightness, leave it on as a nightlight or turn it off from the Nest Protect app
- HARDWIRED CONNECTION PROVIDES DEPENDABLE POWER Wired directly to your electrical system, with backup battery to ensure operation during a power outage
- GET AN EARLY WARNING SIGNAL If a cooking mishap leads to a small amount of smoke, Nest Protect will let you know without setting off the full alarm
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
