Provides enhanced privacy at a glance with its bold green and red status symbols. Arrow's APL Series cylindrical lock with status indicator provides enhanced privacy at a glance with its bold green ...

Marks USA, a division of NAPCO Security Technologies, Inc., announces the release of its new SKA-Series Indicator Locks. These locks are said to offer a highly visible security status at a glance, ...

Amityville, NY – April 2025 – Marks USA, a division of NAPCO Security Technologies, Inc., proudly announces the release of its new SKA-Series Indicator Locks. These locks offer a highly visible ...

In earlier days, computers displayed physical indicator lights for Caps Lock, Num Lock, and other keyboard keys so that we knew their status, but that is not always the case today. In this post, we ...