Elitech Projector Ceiling Mount ELL3 Silver This projector mount fits to all projectors that can sit into the bottom plate. Standard Mount drop: 20" -27.6", Drop length adjustable. The ceiling parts can be jointed directly with the projector tray parts without the central poles, this way the projector can be mounted much closer to the ceiling (please see the attached picture). It can be used on flat ceiling or vaulted ceiling. The projector can be titled up or down 15 degree and turned 360 degree. Loading capacity: 33 lb, The dimension of the bottom tray is 15.2" L x (7.9" to 13.4") W. The height of projector allowed: 4.7" - 9.4" You can buy its extension pole 41" to 71" by searching " B00KCTFW34"; and the extension pole 71" to 130" can be found by searching " B011LT2V14"