Features: 1) Adjustable ascending and descending running 2) Small and convenient to carry when in not use 3) Super thinness: 11cm only 4) Running distance: 30cm max. 5) Loading capacity: 20kg 6) Decor chassis dimension: 48 x 42cm 7) Can be put upside down and put into the desk for lifting the projector Packing details: - one pc in one wooden case - dimension/wooden case: 560x510x220mm - net weight: 27kgs - gross weight: 33kgs