Tool-less vertical adjustment on each universal display adapter bracket for post install leveling and height adjustment fine tuning Tool-less four corner depth adjustment aligns the displays on the same plane and helps alleviate issues with wall imperfections. Included security hardware deters tampering and theft DS-MBZ647L - landscape configuration for 46'-65' displays with mounting hole patterns 975 x 400mm (38.40'W x 15.75'H) Easy hang wall plate allows for a single person install The quick connect latch automatically engages the wall plate for a speedy setup Simple one-to-one ordering process Open wall plate reduces wall interference