First Alert SC5 Smoke and Carbon Monoxide Alarm
Best smart dual-sensor protection for safety-conscious homeowners.
This hardwired combination detector offers reliable dual protection against smoke and carbon monoxide. Its voice alerts provide clear warnings, and smart connectivity enhances its integration into modern homes. A convenient test/hush button ensures easy operation and maintenance.
$129.95
at
Firstalertstore
Who it's for
- Homeowners wanting comprehensive safety and remote peace of mind
- Busy families preferring maintenance-free, reliable power
- Smart home enthusiasts looking for connected, automated security
Who should skip it
- Renters or DIYers lacking electrical wiring experience
- Budget-conscious shoppers outfitting an entire home
- Users with unreliable internet or spotty Wi-Fi coverage
Performance breakdown
Detection Versatility
Dual-sensor technology effectively covers both fire and invisible gas threats.
Smart Integration
Seamless app connectivity provides peace of mind through instant remote alerts.
Installation Ease
Quick-connect plug system makes upgrading existing hardwired units remarkably straightforward.
Alert Clarity
Voice warnings remove ambiguity by specifying the exact nature of danger.
System Reliability
Hardwired power with battery backup ensures protection during critical power outages.
Interconnectivity
Syncing multiple units creates a comprehensive, whole-home safety network.
Key Specs
Model
SMCO600NV-AC
Sensor Type
Electrochemical and Photoelectric
Power Source
Hardwired with battery backup
Backup Battery Type
Lithium (3V)
Sound Level
85dB
Dimensions
5.75 in x 5.75 in x 1.6 in
Weight
0.93 lb
Warranty
10 Years Limited
Connectivity
Wi-Fi
Smart Home Compatibility
Google Assistant
Know before you buy
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Ask Metto anything about the First Alert SC5 Smoke and Carbon Monoxide Alarm before you decide.
