PS-GB5 is Key Box for Keyed Entry on Gates with Panic Bars. Compatible with PS-CYL (sold separetly). It can be attached to a gate directly or used with a Lockey panic bar and panic shield. It connects to a panic bar on the inside. No push-button combination lock is used in this configuration. It can be ordered in black or white. This is the same key box that is included with: Lockey Panic Shield Kits (Standard). Allows for use of a rim cylinder for unlocking your panic bar with a key.