First Alert Z-wave Smoke/Co Alarm Review


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9.2/10 (Expert Score)
Product is rated as #1 in category Smart Carbon Monoxide Detectors
First Alert offers a solid and minimalist option, that works well and has the fairly unique aspect of being fully supported by Ring Alarm system.
  • Z-Wave Plus
  • Ring Alarm Support
  • Photoelectric Smoke Sensor
  • CO Sensor
  • Battery Powered
  • Not supported Wi-Fi

What is First Alert Z-wave Smoke/Co Alarm?

First Alert alarm is the battery-powered 2nd Gen Z-Wave Comb, which combines the smoke alarm with a carbon monoxide sensor as well, it’s a must-have for any home using gas appliances. This smart home security device offers an affordable connected alarm with a good pedigree of reliability.

Design and Features

  • 2-in-1 Smoke/Fire & Carbon Monoxide Sensors: The First Alert ZCOMBO alarm features photoelectric and electrochemical sensors that detect the smoke and carbon monoxide most commonly produced by smoldering fires, providing sensitive detection while minimizing false alarms.
  • Sound Alarm: Unique alarm sounds and indicator lights on the face of the detector distinguish a smoke warning from a carbon monoxide warning.
  • Receive real-time notifications: The integrated wireless alarm system sends you mobile alerts in the Ring App when smoke or carbon monoxide is detected and emails.
  • This device is certified: To work with smart home systems such as Ring Alarm, Samsung SmartThings, and Nexia Home Intelligence when connected to a Z-Wave Plus gateway hub (sold separately; Not compatible with Wink or Onelink). The combination fire and CO detector is also compatible with 3rd party. Certified z-wave devices with the First Alert protocol.
  • Battery-Operated for Convenience: The detector requires two AA batteries, and features a chirp and indicator light to let you know when they need replacing.
  • Easy To Setup: The smoke and carbon monoxide alarm mounts easily to a ceiling or wall, and comes with pins to secure alarm to the base to prevent tampering.

What’s in the box

  • 1x Smoke Detector & Carbon Monoxide Alarm
  • Screws
  • 2 x AAA Battery
  • 1x User Manual

Setup and Installation

First Alert Application

The first alert works with the ring application

Ring application Icon image

First Alert Z-wave Smoke/Co Alarm Review

Specification: First Alert Z-wave Smoke/Co Alarm Review



Product Dimensions

‎3.66 x 6.75 x 8.5 inches

Battery Cell Type


Batteries Required


Batteries Included


Included Components

‎Smoke Detector & Carbon Monoxide Alarm

Item Package Quantity



‎Z-Wave Combo – 2nd Generation


‎2 AA batteries required. (included)

Item model number


Part Number





‎First Alert

Sensor Type

‎Electrochemical, Photoelectric



Item Weight

‎14.4 ounces

Item Dimensions LxWxH

‎3.66 x 6.75 x 8.5 inches

Power Source

‎Battery Powered

Warranty Description

‎7 Year Limited Warranty

Photos: First Alert Z-wave Smoke/Co Alarm Review

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First Alert Z-wave Smoke/Co Alarm Review
First Alert Z-wave Smoke/Co Alarm Review
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