USE THIS MOUNTING BOX TO INSTALL THE 2N IP STYLE INTO A WALL. THE FLUSH-MOUNTING BOX HAS A SPECIAL ELEVATING FUNCTION. IT HELPS YOU ALIGN THE INTERCOM WITH A WALL’S SURFACE SO THAT ONLY THE CORRECT PART OF THE INTERCOM SHOWS. IN OTHER WORDS A HOLE IN THE WALL WHICH IS TOO DEEP WON’T RUIN THE WHOLE INSTALLATION. THE BOX HAS A UNIQUE TILT-OUT MECHANISM WHICH GIVES YOU PLENTY OF ROOM TO WORK WITH CABLING.