Skip to content

👋Sign In or Create an Account

Welcome back! Please sign in to access your account and manage your orders. If you're new to our website, you can easily create an account to enjoy personalized features and faster checkout.

Skip to product information
1 of 5

First Alert Smco210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm With Slim Profile Design, 1-Pack

First Alert Smco210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm With Slim Profile Design, 1-Pack

Out of stock

Regular price $50.63
Sale price $50.63 Regular price $50.63
Sold out
Shipping calculated at checkout.
SKU: WBHAHB0CJMMVST2
UPC: 029054022233
Brand: First Alert
Product Type: Disinfectants

Sold by Groceryeshop, an authorized reseller.

Shipping Information
  • Free Standard Shipping — United States only
  • Processing Time: 1–3 business days
  • Estimated Delivery: 3–5 business days after dispatch
  • Securely packed to ensure your purchase arrives in perfect condition
  • Tracking number sent via email once dispatched
  • Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund

Returns accepted within 30 days of delivery.

Damaged or Defective Item

Free return shipping + replacement or full refund

Wrong Item Received

Free return shipping + replacement or full refund

Change of Mind

Return shipping at customer's expense · Item must be unused & in original packaging

All returns require a Return Authorization (RA) number before sending.

To initiate a return, contact us:

support@groceryeshop.us +1 (281) 857-6783
View Full Return & Refund Policy
Safety & Compliance
⚠️

California Proposition 65 Warning

Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

www.P65Warnings.ca.gov
🛒

General Product Safety Advisory

Always read the product label, instructions, and safety warnings before use. Do not use damaged or modified products. Store products in appropriate conditions as specified by the manufacturer.

Keep all products out of reach of children unless specifically designed for their use.

ℹ️

Product Authenticity & Notice

All products sold by GroceryeShop are 100% authentic, sourced directly from trusted suppliers across the USA. Product weights and packaging may vary slightly from images due to seasonal availability and supplier updates.

GroceryeShop — Fresh, Quality Groceries Delivered Nationwide.


  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Guarantee safe and secure checkout

View full details

Product Description

The First Alert SMCO210 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 alarm provides convenient protection against both fire and carbon monoxide (CO). Also equipped with a 10-year sealed battery to eliminate the need for battery replacements and low battery chirps.

Frequently Asked Questions

  • Q: What are the dimensions of the First Alert SMCO210 alarm? A: The dimensions are five point six seven inches in length, five point six seven inches in width, and one inch in height.
  • Q: What materials are used in the First Alert SMCO210? A: The First Alert SMCO210 is made of plastic, which is durable and suitable for home safety applications.
  • Q: How long is the battery life for the First Alert SMCO210? A: The First Alert SMCO210 has a ten-year sealed battery, eliminating the need for replacements during that period.
  • Q: How do I install the First Alert SMCO210 smoke alarm? A: To install the First Alert SMCO210, mount it on the ceiling or wall using the provided hardware and follow the included instructions.
  • Q: Is the First Alert SMCO210 suitable for all homes? A: Yes, the First Alert SMCO210 is designed to provide smoke and carbon monoxide protection for all residential environments.
  • Q: Can I test the First Alert SMCO210 alarm? A: Yes, you can test the alarm by pressing the test button located on the unit to ensure it functions correctly.
  • Q: How do I maintain the First Alert SMCO210 alarm? A: To maintain the First Alert SMCO210, periodically dust it with a soft cloth and test it monthly to ensure it is working properly.
  • Q: What should I do when the First Alert SMCO210 battery is low? A: Since the battery is sealed, you will not need to replace it. Instead, the alarm will provide an end-of-life warning when it needs to be replaced.
  • Q: Is the First Alert SMCO210 safe for children and pets? A: Yes, the First Alert SMCO210 is designed to be safe for households with children and pets, providing reliable protection.
  • Q: How does the First Alert SMCO210 reduce nuisance alarms? A: The First Alert SMCO210 utilizes Precision Detection technology to minimize false alarms from cooking and other common household activities.
  • Q: What type of hazard does the First Alert SMCO210 detect? A: The First Alert SMCO210 detects both smoke from fires and carbon monoxide, providing comprehensive safety coverage.
  • Q: What is the warranty for the First Alert SMCO210? A: The First Alert SMCO210 typically comes with a limited warranty; please check the packaging or manufacturer’s website for specific details.
  • Q: Can I use the First Alert SMCO210 outdoors? A: No, the First Alert SMCO210 is intended for indoor use only and should not be installed outside.
  • Q: What happens when the First Alert SMCO210 reaches the end of its life? A: When the First Alert SMCO210 reaches the end of its life, it will emit an end-of-life warning to alert you to replace it.
  • Q: Is the First Alert SMCO210 easy to install? A: Yes, the First Alert SMCO210 is designed for easy installation, requiring only basic tools and minimal time.
Home Shop
Wishlist
Log in
×