Universal Projector Ceiling Mount JXL-22 1) Material: aluminum 2) Adjustable angle 3) Adjustable Height: 68.5 to 111.5cm Universal Projector Ceiling Mount JXL-221) Material: aluminum2) Adjustable angle and height3) N.W.: 3.38 KGS/PC4) G.W.: 22.3 KGS/CTN5) Packaging: 1pc/pp bag, 1pc/inner box, 6pcs/ctn6) Compatible with a variety of projector