Knowledge Base

Find answers to frequently asked questions, easy-to-use guides to troubleshoot and perform basic functions like changing the combination or changing the battery, and more.

What does “U.L. certified RSC” mean?

UL stands for Underwriters Laboratories, the oldest and best known independent standards testing laboratory in the world. Commonly known by many as gun safes, Residential Security Containers (RSCs) are covered by UL 1037, the Standard for Anti Theft Alarms and Devices. Visit UL to learn more.