Rolling Projector Stand: This projector stand comes with four high quality silent casters that can swivel freely through 360° for a very smooth motion. All casters are lockable to increase the utility and safety of this product Projector Tripod Adjustable: The height can be adjusted between 45-64 inches and both trays of the projector tripod can be adjusted 180°, which is essential for you whether you use it for office or home entertainment