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First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210V Slim Profile with Voice Alert
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First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210V Slim Profile with Voice Alert
Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm.
First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210V Slim Profile with Voice Alert
Item #: 189337866

First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210V Slim Profile with Voice Alert

84% of respondents would recommend this to a friend

Item #: 189337866

XCD 175

Price Details

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*All items will import from US

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Order now and get it around Wednesday, September 23
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Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm.
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What Stands Out

10-Year Battery Life
This alarm includes a sealed 10-year battery, eliminating the hassle of frequent replacements while ensuring reliable operation for a full decade.
Slim Profile
Designed with a slim profile, this alarm integrates seamlessly into any home decor, minimizing its visual footprint without compromising safety or functionality.
Combination Sensor
Equipped to detect both smoke and carbon monoxide, this alarm provides comprehensive protection, ensuring safety from multiple indoor hazards in one compact unit.

Product Details

Shop First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210V Slim Profile with Voice Alert online at a best price in Montserrat. B0CY38JCP2
BrandFirst Alert
Model NumberSMCO210V
Unit Count1 Count
Number of Items1
ManufacturerResideo
UPC029054022271
Item Type NameCombination Alarm
Mfr Part NumberSMCO210V
Power SourceBattery Powered
AlarmCombination Alarm
Sensor TypePhotoelectric
Product StylePrecision Detection
ColorWhite
Item Dimensions D x W x H5.67"D x 5.67"W x 1"H (14.4 x 14.4 x 2.5 cm)
StylePrecision Detection
Product Dimensions (L x W x H)5.67"D x 5.67"W x 1"H (14.4 x 14.4 x 2.5 cm)
Package Weight1 Pound (450 grams)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners wanting a reliable smoke and CO detection solution with a long-lasting battery and slim design.

  • Renters

    Perfect for renters seeking easy installation and maintenance-free operation without worrying about battery replacements.

  • New Parents

    Essential for new parents who prioritize safety in the home with a dual function for smoke and CO detection.

Not Suitable For
  • Frequent Movers

    Not suitable for individuals who move often, as it is hardwired and sealed, making relocation difficult.

Product Description

First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210V Slim Profile with Voice Alert

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the First Alert SMCO210 unique?

    Answer: The First Alert SMCO210 stands out due to its slim profile design, allowing for discreet installation in various locations. Its 10-year sealed battery eliminates the hassle of battery replacements, providing continuous protection without interruption. This smoke and carbon monoxide alarm effectively detects both smoke and CO levels, making it a dual-function safety device ideal for modern homes.
  • Question: How does the 10-year sealed battery work?

    Answer: The 10-year sealed battery in the First Alert SMCO210 is designed to power the unit continuously without the need for manual replacements. This feature offers the convenience of a reliable, long-lasting power source. Once the battery is depleted, the entire unit needs replacement, ensuring the user always has a functioning, updated device that meets safety standards.
  • Question: Is the First Alert SMCO210 easy to install?

    Answer: Yes, the First Alert SMCO210 is designed for straightforward installation. It comes with mounting hardware and a user-friendly guide. You can easily affix it to walls or ceilings in key areas such as bedrooms, hallways, and living rooms to ensure complete coverage against smoke and carbon monoxide detection.
  • Question: Where should I install the First Alert SMCO210?

    Answer: Optimal placement for the First Alert SMCO210 includes areas where smoke and CO hazards are likely, such as kitchens, sleeping areas, and hallways. It should be positioned on the ceiling or high on walls since smoke rises. For CO detection, it’s recommended to be near sleeping areas to alert you effectively during the night.
  • Question: How does the alarm alert me to smoke or carbon monoxide?

    Answer: The First Alert SMCO210 features a loud audible alarm that activates when smoke or carbon monoxide levels are detected. This immediate alert is crucial for ensuring timely evacuation in emergency situations. The device may also emit a chirping sound to signal battery depletion or operational issues, enhancing overall safety awareness.
  • Question: Can I test the alarm functionality?

    Answer: Yes, testing the functionality of the First Alert SMCO210 is simple. Each unit has a test button, which when pressed, will produce the alarm sound to confirm that the device is operational. Regular testing, ideally once a month, helps ensure the alarm is working correctly and ready to protect you and your family.
  • Question: What features enhance the safety of the SMCO210 model?

    Answer: The First Alert SMCO210 includes advanced smart technology for precise detection of smoke and carbon monoxide, minimizing false alarms. Additionally, it has a sleek design that blends seamlessly into home décor, making it an effective security solution without compromising aesthetics. This model is ideal for households that seek both reliability and style.
  • Question: Does the First Alert SMCO210 have a mute feature?

    Answer: Yes, the First Alert SMCO210 features a convenient mute function. If the alarm triggers due to non-threatening conditions, such as cooking smoke, you can simply press the mute button. This temporarily silences the alarm while still ensuring you are aware of potential dangers, providing a balanced approach to home safety management.
  • Question: Is the First Alert SMCO210 suitable for an apartment?

    Answer: Absolutely! The compact size and dual functionality of the First Alert SMCO210 make it a perfect fit for apartments or smaller living spaces. Its design ensures it does not occupy much area while still providing robust smoke and carbon monoxide detection, keeping residents safe without taking up excessive space.
  • Question: Where can I buy the First Alert SMCO210 in Montserrat?

    Answer: You can conveniently purchase the First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design from Ubuy. This platform provides options for secure transactions and reliable delivery throughout Montserrat, ensuring you receive your safety equipment efficiently.

First Alert Combination Smoke & Carbon Monoxide Detectors SMCO210V Editorial Review

First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm | SMCO210 Slim Profile Design, Sealed Battery delivers essential safety in a compact design. This combination alarm features a photoelectric sensor for enhanced detection and a long-lasting sealed battery that avoids the hassle of frequent changes. However, user experiences indicate a common issue with false alarms, particularly during the night, causing distress. This has led some users to feel frustrated, to the point of discarding the alarms. While some customers appreciate the easy installation and space-saving design, consistent functionality seems to vary. It’s a product that certainly aims to enhance safety but has raised concerns over reliability in practice.

Customer Reviews & Ratings

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Pros

  • Long-lasting sealed battery up to 10 years
  • Compact slim profile design
  • Easy installation process
  • Photoelectric sensor for precision detection
  • Lightweight and easy to handle

Cons

  • Occasional false alarms reported by users

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 175

Order now and get it around Wednesday, September 23

QTY:

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Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Advanced Precision Detection technology for reliable safety.
  • Dual protection against fire and carbon monoxide.
  • 10-year sealed battery eliminates hassle of replacements.
  • No annoying low battery chirps to disrupt your peace.
  • Includes end-of-life warning for timely replacements.
  • Slim profile design saves space and looks modern.

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