Home / Smoke Detectors
User Guide for First Alert SMCO410 2-in-1 Smart Smoke & Carbon Monoxide Alarm
Quick guide for the First Alert SMCO410 2-in-1 Smart Smoke & Carbon Monoxide Alarm. Includes technical specifications, indicator light meanings, and system requirements.
Table of contents
Quick guide from the manual
The First Alert SMCO410 is a 2-in-1 smart smoke and carbon monoxide alarm designed for residential use. This document outlines the technical specifications, system requirements, and operational indicators for the device. Please ensure installation conforms to NFPA 72 and check local building codes before installation.
Technical Specifications
- Dimensions: 5.0” Dia. x 2.12” H
- Weight: 0.40 lb
- Battery: 3V Lithium (Sealed 10-year)
- 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 500 Series
- Wireless Range: 131.24 ft
- Sensors: Photoelectric (Smoke), Electrochemical (CO)
Indicator Lights and Sounds
The device uses specific light and sound patterns to communicate status:
- DC Power: Flashes Green every minute.
- Smoke Alarm: 3 Beeps, Flashes Red.
- CO Alarm: 4 Beeps, Flashes Red.
- Malfunction: 3 “Chirps” every minute (Replace alarm).
- End of Life: 5 “Chirps” every minute (Replace alarm).
System Requirements
To utilize the smart features of this alarm, you must have:
- An Android or iOS device.
- A Ring Alarm or Ring Alarm Pro Security Kit with Alarm Smoke and CO Listener.
Operation and Maintenance
- Test/Silence: Press and hold the test/silence button to electronically simulate smoke and CO conditions.
- Alarm Reset: The alarm resets automatically when smoke and/or CO clears.
- Silence Features: Includes Low Battery Silence (silence chirp for up to 8 hours) and Alarm Silence (temporarily silence nuisance alarms).
- Tamper Resistance: Features locking pins for the battery drawer and mounting bracket.
Manufacturer information
First Alert
Practical help
Common problems
Malfunction chirp (3 chirps every minute)
The unit is malfunctioning and must be replaced.
End of Life chirp (5 chirps every minute)
The unit has reached the end of its service life and must be replaced.
Low battery chirp
Use the Low Battery Silence feature to silence the chirp for up to 8 hours.
Before use
- Ensure you have an Android or iOS device.
- Verify you have a Ring Alarm or Ring Alarm Pro Security Kit with Alarm Smoke and CO Listener.
- Check local building codes for placement.
- Ensure installation conforms to NFPA 72.
- Verify the mounting surface is suitable for wall or ceiling mounting.
Show more Show less
Specs in practice
- Wireless Frequency
- Z-Wave 500 Series for smart home connectivity.
- Smoke Sensor
- Photoelectric chamber to detect smoke.
Model compatibility
- Requires Ring Alarm or Ring Alarm Pro Security Kit with Alarm Smoke and CO Listener.
- Operates with 3rd party, certified Z-Wave devices enabled with the First Alert protocol.
Manual page author
Michael Turner
Technical manual editor