This monitor bracket is compatible withthe arri wcu-4 wireless compact unit. Designed for easily mounting to the top or bottom of the wcu-4 withtwo bolts (included) and attaches to on-board monitors withany accessory. Comes witha 1/4in-20 male thread. The 18 degree tilt helps for viewing the monitor withe ase and convenience. Ideal also for using withKupo’s vision lock quick-release mounting set (kg046212) that makes it fast and easy to disconnect the monitor from the bracket when needed. In addition, the Kupo 3.5in long 5/8in baby stud with1/4in-20 male (kg012412) connects a gobo head and this bracket.