Universal Security Store - Daily Deals & Coupon Codes

coupon code Universal Security Store

Enter Coupon Code:

SEP25

at checkout and receive an instant 10% Off your purchase of $30 or more!


  • Discount will be calculated when you enter the above coupon code at checkout
  • Discount does not apply to taxes or shipping charges
  • Cannot be combined with other offers or bundles
  • This coupon is only valid at www.universalsecuritystore.com
  • Coupon expires on 09-30-25

Save An Instant 10% Today on your Universal Security Instruments Safety Products, Alarms and Detectors that Utilize Various Technologies to Ensure Optimal Safety for Your Family, Home or Place of Business:

Safety Products from UniversalSecurityStore.com were designed to offer the maximum in peace of mind. Ensure you and your family's safety from the many hazards presented by Fires, Smoke Inhalation, Carbon Monoxide and Gas Leaks with the purchase of an appropriate USI Alarm.

Our safety products include: Smoke and Fire Alarms, Carbon Monoxide Alarms and Combination Alarms. Many of the Alarms we feature incorporate multiple levels of detection. Our 2-in-1 Alarms, 3-in-1 Alarm and 4-in-1 Alarm ensure optimal safety by detecting a wide range of hazards. Our signature collection of Sensing Plus Multi Criteria Smoke Alarms provide the ultimate in reassurance and are capable of identifying multiple threats at an increasingly fast pace.

Our coupon discount is valid on the entirety of our Smoke alarms, Fire alarms, Carbon Monoxide detectors, Combination Alarms and Other Safety Products. Our selection of alarms is backed by industry defining technology and a series of patents exclusive to the USI brand. When it comes to securing you and your loved one's security, you can depend on the UniversalSecurityStore.com to deliver some of the most technologically sound equipment available in today's market.


Items on sale

USI Hardwired Dual Sensor Smoke Alarm with 10 Year Battery Backup and Sensing Plus Technology - AMI1061SB

Hardwired Dual Sensor Smoke Alarm with Battery Backup

Model: AMI1061SB
(7)
$37.95 Save: $12.00
Availability: In Stock
USI 10 Year Sealed Battery Digital Carbon Monoxide Smart Alarm - MCD305SB

10 Year Sealed Battery Carbon Monoxide Alarm with Digital Display

Model: MCD305SB
(17)
$44.95 Save: $5.00
Availability: Clearance
USI Digital Plug In Natural Gas and Carbon Monoxide Alarm with Battery Backup - MCND401B

Plug-In Carbon Monoxide and Natural Gas Alarm with Display and Battery Backup

Model: MCND401B
(31)
$49.95 Save: $15.00
Availability: In Stock
USI Electric Hardwired Carbon Monoxide and Natural Gas Smart Alarm with Removable Battery Backup - MCN108

Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup

Model: MCN108
(71)
$69.95 Save: $20.00
Availability: In Stock
USI 10 Year Sealed Battery Living Room Smoke Alarm With Sensing Plus Technology - AMIL3051SC

10 Year Sealed Battery Living Room Smoke and Fire Alarm

Model: AMIL3051SC
(5)
$29.95 Save: $10.00
Availability: Clearance
USI 10 Year Sealed Battery Smoke Alarm and Carbon Monoxide Detector With Sensing Plus Technology - AMIC3511SB

10 Year Sealed Battery Combo Smoke and Carbon Monoxide Alarm

Model: AMIC3511SB
(16)
$64.95 Save: $10.00
Availability: In Stock
USI Electric Hardwired LED Wall Mounted Smart Strobe Light (SLW127)

Hardwired LED Wall Mounted Smart Strobe Light

Model: SLW127
(2)
$74.95 Save: $25.00
Availability: Clearance
USI 10 Year Battery Smoke and Fire Alarm With Sensing Plus Technology - AMI3051SB

10 Year Sealed Battery Smoke and Fire Alarm

Model: AMI3051SB
(6)
$32.95 Save: $7.00
Availability: In Stock
USI 10 Year Sealed Battery Carbon Monoxide Smart Alarm - MC304SB

10 Year Sealed Battery Carbon Monoxide Smart Alarm

Model: MC304SB
(15)
$36.95 Save: $13.00
Availability: In Stock
USI Plug In Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup - MCN400B

Plug-In Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup

Model: MCN400B
(17)
$39.95 Save: $15.00
Availability: In Stock
USI Hardwired Smoke and Carbon Monoxide Alarm With 10 Year Battery Backup and Sensing Plus Technology - AMIC1510SB

Hardwired Combo Smoke and Carbon Monoxide Alarm with 10 Year Battery Backup

Model: AMIC1510SB
(16)
$69.95 Save: $10.00
Availability: In Stock
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