#1 Home Improvement Retailer

Cart

Cart

Home
Electrical

Universal Security Instruments Electrical

20 Results

    Sort by

    Top Sellers

Exclusive

10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm and LED Warning Light10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm and LED Warning Light
(4.3 / 57)
Model# USI/SMCO/10YR/V
$64.97
Buy 4 or more $58.47

Exclusive

(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
(4.2 / 59)
Model# USI/SM/10YR/MINI/3
$79.97
($26.66 /unit)
Buy 4 or more $71.97

Exclusive

Hardwired and 10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alert and LED Warning LightHardwired and 10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alert and LED Warning Light
(4.3 / 57)
Model# USI/SMCO/HW10YR/P
$69.97
Buy 4 or more $62.97

Exclusive

(3-Pack) Hardwired & 10-Year Battery Backup Smoke Detector with Ionization Sensor(3-Pack) Hardwired & 10-Year Battery Backup Smoke Detector with Ionization Sensor
(3.8 / 16)
Model# USI/SM/HW10YR/3
$99.97
($33.32 /unit)
Buy 4 or more $89.97
(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
Model# USI/SM/10YR/MINI/3CA
$79.97
($26.66 /unit)
Buy 4 or more $71.97

Exclusive

(3-Pack) 10-Year Battery Powered Smoke and Fire Detector with Ionization Sensor(3-Pack) 10-Year Battery Powered Smoke and Fire Detector with Ionization Sensor
(4.6 / 47)
Model# USI/SM/10YR/3
$79.97
($26.66 /unit)

Exclusive

(3-Pack) Hardwired and 1-Year Replaceable Battery Backup Smoke Detector with Photoelectric Sensor(3-Pack) Hardwired and 1-Year Replaceable Battery Backup Smoke Detector with Photoelectric Sensor
(4.3 / 44)
Model# USI/SM/HWREP/3
$79.97
($26.66 /unit)
Buy 4 or more $71.97

Exclusive

Hardwired and 3-Year Replaceable Battery Backup Combination Smoke and Carbon Monoxide Detector w/ Voice AlarmHardwired and 3-Year Replaceable Battery Backup Combination Smoke and Carbon Monoxide Detector w/ Voice Alarm
(4.4 / 25)
Model# USI/SMCO/HWREP
$64.97
Buy 4 or more $58.47

Exclusive

10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
(4.2 / 59)
Model# USI/SM/10YR/MINI
$29.97

Buy More, Save More

See Details
10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
Model# USI/SM/10YR/MINI/CA
$29.97

Exclusive

Hardwired and 1-Year Battery Backup Smoke Detector with Photoelectric SensorHardwired and 1-Year Battery Backup Smoke Detector with Photoelectric Sensor
(4.3 / 44)
Model# USI/SM/HWREP
$27.97

Buy More, Save More

See Details

Exclusive

(3-Pack) 9-Volt Battery Operated Smoke Detector with Photoelectric Sensor(3-Pack) 9-Volt Battery Operated Smoke Detector with Photoelectric Sensor
(4.4 / 58)
Model# USI/SM/REP/3
$47.97
($15.99 /unit)
Buy 4 or more $43.17