Smoke and CO Alarm

Combination smoke and carbon monoxide alarm provides ultimate protection. With monitoring, we’ll alert you of a fire and dispatch the fire department.


  • Download Quick Setup Guide

    • Z-Wave compatible smoke and carbon monoxide alarm.
    • Wireless connection to Z-Wave hub.
    • Certified for use with Nexia Home Intelligence and other 3rd party Z-Wave systems.
    • Reliable electrochemical carbon monoxide and photoelectric smoke sensors.
    • Dual smoke & co sensing, ultimate protection from two deadly dangers.
    • Mute button, mutes unnecessary alarms immediately. also tests alarm function with same button.
    • Tamper resistant - locks alarm to mounting bracket to prevent removal of battery and/or alarm.
    • End of life timer, alarm chirps when it is time to replace it.
    • 2 AA batteries included. Save 33% on annual battery replacement costs vs. other smoke/CO combo alarm brands that use 3 AA batteries.

  • Alarm Dimensions : 5.0”Dia. x 2.0”H
    Weight : 8.4 oz
    Operating Voltage : 3V (Two 1.5V AA) Battery Powered
    Temperature Range : 40°F (4°C) to 100°F (38°C)
    Humidity Range : 10% to 95% relative humidity (RH)
    Audio Alarm : 85dB at 10 feet
    Wireless Frequency : Z-Wave
    Test/Silence : Electronically simulates smoke and CO condition, causing the unit to alarm. Press and hold test/silence button.
    Alarm Reset : Automatic when smoke and/or CO clears
    Smoke Sensor : Photoelectric
    CO Sensor : Electrochemical
    Listing : Listed to UL217 and UL2034 Standards

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Constellation Connect is easy to install.

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   Packages starting at $199