Universal Security Instruments, Inc.




Universal Security Instruments, Inc. began manufacturing products in 1973 and since has become one of the largest manufacturers in the world, supplying smoke alarms and carbon monoxide alarms to 30 different countries with more approvals coming. The headquarters of Universal Security Instruments Inc. is located in Naperville, Illinois and has several ISO9001 certified facilities throughout the United States.  Product offerings include:

• 9 Volt Battery Operated Smoke Alarms, Carbon Monoxide Alarms, and Combination Alarms
• 120 Volt AC/DC Plug-In Carbon Monoxide Alarms
• 120 Volt AC/DC Wired-In Smoke Alarms, Carbon Monoxide Alarms, Combination Alarms
• Special Application Alarms & Accessories