USA Door and Gate Service
Welcome to Our Gate Gallery!  

These images answer some of your questions - what a Knox Box looks like so Emergency personnel can gain
entrance, what an infrared sensor looks like, how hinges might be fabricated for a wood-clad frame.
Knox Switch for
Emergency Entrance
Custom Fabricated
Hinge.  Control box
and antenna on top
visible in background
Custom Fabricated
Infrared Sensor
mounted on post.  
Blue wire penetrates
post and is inserted
in control box.  
At home on the Monterey Peninsula since 1995!