A8612B Smoke & CO Combo Detector Series

A8612B-6AR

A8612B-4R

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Which product is more suitable for you?

Don't know which one to choose? We have selected these products for comparison, and you can choose the one that best suits your needs!

Hardwired Interconnected Smoke & CO Detector A8612B-6AR

$31.31 USD

$54.99 USD

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Wireless Interconnected Smoke & CO Detector with 10-Year Battery A8612B-4R

$31.49 USD

$52.99 USD

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Standalone Smoke & CO Detector with 10-Year Battery A8612B-4

$23.99 USD

$46.99 USD

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Wired & Wireless

Hard Wired

Wireless

Standalone

Interconnected

Supported

Not Supported

Battery Type

2AA Replaceable Batteries

10-year built-in lithium battery

Power Supply

AC+battery powered

Battery powered only

Product Life

10 Year(Batteries need to be replaced regularly)

10 Year

Blog posts

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Life Hacks

A renter on a step stool testing a white ceiling smoke alarm in a sunlit apartment with moving boxes nearby

Renters Can Be Locked Out of Fire Safety, and Here Is How to Take It Back

Jun 12, 2026

Product Hub

Your Home’s Invisible Guardian: A Complete Guide to Carbon Monoxide Alarms

Jun 11, 2026

Company News

From Donation to Protection: 200 Michigan Families Receive Smoke & CO Alarms Through Siterwell-NCOAA Partnership

Jun 4, 2026

Delivery

Products are shipped from California.

Free shipping

Free shipping on orders over $30.

Customer service

Contact us via online chat or email.

Secure payment

All payments are processed securely.