These are made in lengths to suit specific applications and are either the full width of a corridor or the width of a lift.
Cameras and any other internal fitted equipment are not visible to the naked eye as these units are faced with black acrylic 962 which only allows images to be seen under infrared light. (Not supplied)
This is layered on the galavanised steel housing face with 6mm polycarbonate for added resilience and resistance to abuse. Retained with 3mm stainless steel straps and tamper proof screws.