A11 projector lift is produced according to the principle of spiral shaft transmitting in double cross frame, along with the newest type of cross-scissor design and auxiliary safety belt. Features: 1) Adjustable ascending and descending running 2) Small and convenient to carry when in not use 3) Super thinness: 11cm only 4) Net weight: 28kg 5) Max running distance: 30cm 6) Loading capacity: 20kg 7) Auxiliary decor chassis dimension: 48 x 42cm 8) Optional electronic positioning control for easy stroke setting Inner packing: Dimensions: 48 x 42 x 12cm Outer packing: 1pc/wooden box Box dimensions: 56 x 51 x 22cm G.W.: 32.5kg