12-Month Warranty Included Details

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First Alert SMCO210 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm with Slim Profile

First Alert  |  SKU: 3P2059-FAT1046796
$51.99

Condition: New

This product is brand new, unused, and includes a full manufacturer warranty. Learn more

Warranty: 5 Year Warranty Limited

5 Year Warranty Limited Learn more

Free Shipping on Orders $50+

Free shipping with orders over $50.00. 30-day returns. Learn more

The First Alert SMCO210 Sealed 10-Year-Battery Combo Smoke and CO Alarm with Slim Profile Design uses our Precision Detection advanced sensing technology to meet the latest industry standards. This 2-in-1 alarm provides convenient protection against both fire and carbon monoxide (CO). The slim-profile combination alarm is half the depth of a standard alarm. It is sleek and compact to help the detector blend seamlessly with most home décor. And the 10-year lithium battery means no battery replacements for a decade – the end-of-life warning lets you know when it is time to replace the alarm. No more low-battery chirps and multiple battery replacements!

Features

  • Combination smoke and carbon monoxide (CO) alarm provides reliable protection against both smoke and carbon monoxide in an easy-to-install detector
  • Provides early warning to help you and your loved ones safely escape
  • 10-year sealed battery eliminates battery replacements and low battery chirps for the life of the detector; end-of-life warning lets you know when it’s time to replace the alarm
  • Precision Detection advanced-sensing technology reduces nuisance alarms and detects smoke from synthetic materials which burn hotter and faster, leaving you less time to safely evacuate
  • Test/silence button for efficient testing to ensure the detector is working properly
  • Slim profile design is half the depth of a standard alarm
  • Alarm sound level: 85 dB at 10 ft.

  • End-of-life warning lets you know when it’s time to replace the alarm
  • Includes mounting bracket and installation screws

Verdi Certified.
Backed by 1-year warranty.

Our Certified Refurbished products are rigorously tested, meet original manufacturer standards, and include a 12-month warranty—giving you premium quality without compromise.

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Get to know Verdi

What does "certified refurbished" actually mean?

A refurbished product is one that was returned and then restored to as close to like-new as possible—including replacement parts and updated software where needed. Every refurbished product we sell is certified, meaning it's been restored by the manufacturer or an authorized partner and tested to original standards. Want the full breakdown? Read Refurbished, Renewed, Used… What's the Difference?

Are all refurbished items in equally good condition?

Yes. Every refurbished refurbished product is cleaned and tested to come as close to like-new as possible. We also carry new condition products which are unopened and brand new!

Do your products come with a warranty?

They do. Every refurbished product is backed by our 12-Month Refurb Warranty, and many new products carry longer coverage—1–2 years, and in some cases a Lifetime Warranty. Need specifics on your item? Contact us and we'll help.

Do you accept returns?

You can return most items within 30 days of delivery for a full refund. Items may be opened and inspected and still qualify, as long as they're returned in the same condition you received them and include all original accessories.

Do I have to pay for return shipping?
If the return is due to our error—such as an incorrect or defective item—we cover the return shipping cost.

When will I get my refund?
Refunds are typically issued within 5–14 business days after we receive your returned item.

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