This Mid-Box provides PoE power and a network connection for T4 8" and 10" In-Wall Touchscreens. A blue LED on the mid-box indicates whether the unit is powered, the LED can either be solid or slowly pulsate. The mid-box screws into the backbox, and the T4 Touchscreens are then mounted to the mid-box and is magnetically held in place. A security screw can be tightened to prevent the touchscreen from being knocked off the mid-box