This window opens when you solve the case and put the correct case file card items into the card holder underneith the window. 
2 ft  x 3 ft window painted orange with mag lock installed with wiring to reach outlet, themed conduit and themed box to hide wiring. Comes with solved box, 9 cards which includes 4 correct ones that the card holder will read, painted black ready for you to put your contect on them.
 
Testing - All of our product is tested before public use. This product has been in public use for 5 months and has last over 3000 people in an escape room environment.
 
Sound Trigger add $450.00 - button inside of window with electronics for micro sd card for sound. Comes with speaker
 
See prop video here