10 Best Wifi Smoke Detector of December 2025

• Help keep your family safe with this battery powered smoke and carbon monoxide detector alarm
• Unit uses wireless Z wave technology to send mobile alerts if the alarm goes off, so you are aware whether you're at home or away
• Certified to work with smart home systems such as ring alarm security system, Samsung Smart things, and Nexia Home Intelligence when connected to a Z wave gateway hub (sold separately; Consult hub manufacturer to ensure compatibility with this first alert device); Not compatible with wink or Onelink
• Photoelectric smoke sensor helps reduce false alarms caused by cooking or shower steam
• Electrochemical carbon monoxide sensor offers advanced detection technology
• Includes an 85 decibel horn, single test/silence button, side access to a tamper resistant battery door, and pins that lock the alarm to the mounting bracket
• 2 AA batteries (included)
• 7 year limited warranty; Meets UL217 & UL2034 standards
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT

• Wireless security camera: When the camera is configured successfully and connected to your phone, you will be able to real-time video view, recording and photos, nobody will figure out it is a camera. You can see anything you want anywhere.
• Remote view: It is made of high quality and durable material. Easy to install and operate, it is support the motion detection video recording supported and the family education and living security, practical tools, essentially field subjected to each customer's favor.
• Motion Detection: Once the motion detection activated, alarm notifications will be pushed to your phone, automatically capture 3 photos and saved in the app. So you can set the camera to alarm you to keep safety of your property and family when out home.
• The latest night vision feature: Not only can clear videos and pictures be taken during the day, but also at night. Because it is equipped with 4 high-quality infrared lights, completely invisible to the human eye.So don't worry who enter your home and office when you are out.
• Perfect Customer Service: the hidden camera has smooths refund,(18 months) life time technology support, Satisfy to the customer unconditionally.

CAMXSW

• Nest Protect 2nd Generation Smoke/Carbon Monoxide Alarm Battery
• Nest Protect sends a message when there's a problem or the batteries run low
• The Split­-Spectrum Sensor looks for both fast and slow-burning fires
• IN THE BOX: Six Long-Life Batteries - Backplate - Four Screws
• BUNDLE INCLUDES: Nest Protect 2nd Generation Smoke/Carbon Monoxide Alarm Battery - Deco Gear 2 Pack WiFi Smart Plug

Google Nest

• 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

FIRST ALERT

• SMOKE + CO DETECTION 2-in-1 smart smoke and carbon monoxide alarm alerts you to both types of danger in your home, with a photoelectric smoke sensor and electrochemical carbon monoxide sensor
• MOBILE + VOICE ALERTS Alarm sends emergency notifications, via your phone, while voice alerts tell you the type and location of danger
• A HOME SAFETY NETWORK + ALEXA Interconnects with other Onelink devices (sold separately) to create a smart home safety network, so if one alarm sounds, all will; works with Amazon Alexa so you can ask Alexa to check the status of your Onelink alarm (Alexa device sold separately)
• EASY BATTERY CHANGES Easy-access battery door, for simple battery changes; replaceable 5-year battery
• COMPATIBILITY Compatible with Apple HomeKit; can be used on both Apple and Android devices

FIRST ALERT

• Ring Alarm Smoke and CO Listener alerts you on your smart phone when your existing smoke and carbon monoxide detectors sound their alarms.
• This device does not detect fire, smoke or carbon monoxide and is intended to work with UL listed smoke and CO detectors that are 10 years old or less.
• Easy setup in minutes—without tools or professional installation. Requires Ring Alarm Security System (sold separately).
• Manage Ring Alarm Smoke and CO Listener and other Ring products with the Ring app.
• Battery life 3 years max. Batteries are replaceable.
• Optional 24/7 professional monitoring is just $10/month. No contracts or cancellation fees.

Ring

• 10-Year Battery & 10-Year Sensor: This smoke and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries; an end-of-life signal will let you know when it's time to replace the unit for safety
• Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds
• 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
• Simple to Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep
• Quick & Easy Installation with Guaranteed Quality: Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product

X-Sense

• Help keep your family safe with these battery operated smoke alarms that wirelessly interconnect with each other and other First Alert enabled alarms so that all sound when one is activated, creating a home safety network; comes in a pack of 2 alarms
• Voice alarm with 11 programmable locations tells you where the danger is so you can choose the best evacuation route; Loud, 85-decibel siren sounds to alert you to danger
• Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; Helps minimize the number of false alarms
• Battery powered alarm requires no rewiring for installation and provides continued monitoring even if there's a power failure; use with Polaroid AA batteries for best results
• Wirelessly connect upto 18 first alert enabled alarms for the maximum in whole home protection; includes test/silence button, low battery warning, end of life timer
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT

• Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there’s smoke or CO in your home
• Split Spectrum Sensor looks for both fast burning and smoldering fires and tells you where the danger is
• Get phone alerts so you know something’s wrong even when you’re away from home[1]
• CO detector looks out for carbon monoxide and tells you where it’s located
• With App Silence, you can silence the smoke alarm with your phone in the Nest app when there’s only a little smoke
• No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working
• When you walk under Nest Protect at night, Pathlight lights your way
• The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade
• With Safety Check, you can test all your smoke and CO alarms with just a tap and get a full report once the test is done
• Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)
• Know from anywhere. Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low.
• Tells you what and where. It speaks up to tell you if there’s smoke or CO and where the problem is, so you know what to do. Connectivity: Bluetooth 4.0 LE, Wi-Fi 4 (802.11n)
• App Silence. Nest Protect is the first alarm you can hush from your phone. Simply walk to the Nest Protect that noticed the problem and open the Nest app.
• Split-Spectrum Sensor. In an emergency, seconds count. Nest Protect uses two wavelengths of light to look for both fast and slow burning fires.
• Heads-Up. Get a friendly voice alert so you can handle burning toast before it becomes a burning toaster.
• 10-year carbon monoxide sensor. Carbon monoxide is odorless, invisible and deadly. When there’s CO, Nest Protect tells you where it’s hiding.

Google

• Keep your family safe with this talking battery operated smoke and carbon monoxide alarm; it's equipped with voice and location, so you are alerted of the danger and where it originates from across your house
• Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogramillimetered locations in your home
• Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
• Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
• Simple to use, with a single test/silence button, and EZ access battery drawer allows you to change batteries without removing alarm from the ceiling
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert brand trust survey in February 2018)
• It can ship within the US except New York

FIRST ALERT