USI Hardwired Universal Smoke / Fire Alarm
Best reliable safety upgrade for homeowners seeking easy hardwired installation.
This dual-sensing unit is the set-it-and-forget-it solution for total home safety. By combining ionization and photoelectric tech with a decade-long battery backup, it eliminates the constant chirping and maintenance anxiety of standard detectors. You sacrifice a bit of setup complexity for the peace of mind that comes with truly comprehensive protection.
$19.85
Who it's for
- Homeowners seeking comprehensive fire protection from a single device
- Families living in multi-story houses requiring whole-home alerts
- Safety-conscious residents wanting continuous protection during storms or blackouts
Who should skip it
- Cooks with small kitchens or poorly ventilated cooking areas
- Renters or DIY novices looking for a simple tool-free installation
- Renovators replacing old alarms from different manufacturers
Performance breakdown
Detection Versatility
Dual-sensing technology effectively catches both fast-flaming and slow-smoldering fire threats.
Maintenance Freedom
Ten-year sealed battery eliminates the hassle of annual battery swaps.
Nuisance Prevention
Smart sensitivity adjustments significantly cut down on annoying false alarms.
Installation Complexity
Hardwired setup requires basic electrical knowledge but offers superior long-term reliability.
Security Integrity
Tamper-proof design ensures the unit stays securely mounted and active.
Value Density
Six-pack configuration provides a cost-effective solution for outfitting an entire home.
Key Specs
Detection Technology
Ionization and Photoelectric
Power Source
120V AC Hardwired with Battery Backup
Battery Type
Lithium (Sealed)
Battery Life
10 years
Interconnectivity Type
Hardwired Interconnect
Mounting Type
Ceiling or Wall Mount
Alarm Type
Siren
Carbon Monoxide Detection
No
Hush Button Feature
Yes
Pack Quantity
6
Know before you buy
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