Projector Mounting Bracket:JXL-21 1) Material: aluminum 2) Adjustable angle 3) Adjustable Height: 62.5 to 111.5 cm Projector Mounting Bracket:JXL-211) Material: aluminum2) Adjustable angle3) N.W.: 2.51 KGS/PC4) G.W.: 17.8 KGS/CTN5) Packaging: 1pc/pp bag, 1pc/inner box, 6pcs/ctn6) Compatible with a variety of projector Projector Mounting Bracket/Projector Ceiling Mount