The PPS 801 wall mount is especially designed for the short throw projectors. This wall mount has unique features especially for short throw applications & will save a lot of installing & adjustment time. The mount is also equipped with the unique Vogels Fine Tune Mechanism VFT for setting & keeping the projector exactly positioned. The swivel functionality of the PPS 801 offers extra safety & security for both teacher & projector & creates more space when not in use.