Search
First Alert SMICO100-AC
First Alert

First Alert SMICO100-AC

Best dual protection for straightforward home safety upgrades.

This First Alert SMICO100-AC hardwire smoke and CO detector provides advanced sensing technology to reduce nuisance alarms and offers whole-home early warning through interconnectivity. It ensures continuous protection with battery backup and features a Quick Connect Plug for easy installation or replacement of existing hardwire alarms. A single test/silence button allows for efficient operation, and an end-of-life warning signals when replacement is needed. The unit comes complete with a mounting plate, battery, screws, and manual for a hassle-free setup.

$49.81

Track Price
Out of Stock

Owner Satisfaction

4.3

/ 5

 

Category Rank

16

/ 29

#16 in Smoke Detectors

Price vs Category Average

-46%

Below average

Smoke & carbon monoxide alarm sensor technology

Ionization Sensor

/ Ionization Sensor

 

Who it's for

  • Homeowners seeking consolidated, robust safety monitoring for their living spaces.
  • Residents prioritizing uninterrupted safety systems, even when the power goes out.
  • Families wanting immediate, synchronized alerts across their entire home during emergencies.

Who should skip it

  • DIY enthusiasts without electrical experience, or those preferring simple plug-and-play devices.
  • Budget-conscious buyers looking for the most economical smoke and CO detection.
  • Renters or homeowners needing flexible, easy-to-relocate safety devices without electrical work.

Key Specs

Smoke & carbon monoxide alarm sensor technology

Ionization Sensor

Power type

Hardwired with Battery Backup

Battery life

0.5 years

Decibel rating

85 dB

Warranty information

10 Year

Detection technology

Ionization Sensor

Power source

Hardwired with Battery Backup

Connectivity type

None

Features

  • Advanced detection technology reduces nuisance alarms
  • Interconnected alarms for whole-home early warning
  • Easy installation with Quick Connect Plug
  • Continuous protection with battery backup
  • User-friendly test/silence button
  • End-of-life warning for timely replacement
  • Optional locking features for tamper resistance

What customers say

Customers consistently praise the First Alert SMICO100 AC for its reliable dual protection against smoke and carbon monoxide. Many appreciate the straightforward installation, making it an accessible safety upgrade for homes. Users frequently mention the peace of mind it provides, highlighting its consistent performance as a crucial household safety device. The product is generally regarded as a valuable investment for essential home security, offering dependable functionality without complex setup.

Hayley

Still have a question?

Ask Hayley anything about this product before you decide.

First Alert SMICO100-AC

Ready to buy?

$50

Metto recommends Walmart
W

Walmart

Recommended
Out of stock
Out of Stock

$49.81

Buy