The S1065 is a rare combination of a switching and a locking function. The four pin locking mechanism provides up to 150 key combinations. The switching function is a single pole off/on. There are two silver plated solder type terminals. The outer body is chrome plated for durability.

The key movements are 90° turn only with either single position or two position key entry. To comply with CE regulations, this switchlock is rated at less than 50 volts for alternating current and less than 75 volts for direct current.