Cloud Mountain Manual Pull Down 120" 4:3 HD Projector Screen w/Auto Lock Home Theater Office Wall Projection 1.3 Gain Matte White DIMENSION: 120-inch Diagonal, 4:3 Aspect Ratio. Screen Size: 96.0" Wx72.0" H. 1.3 Gain,160 degrees viewing angle with no resolution loss. Four side black borders enhance picture contrast. Features a 2-inch interval auto-lock mechanism that allow for various height settings and a screen lanyard for easy pull down. Dual wall and ceiling installation design. Ideal for home theater, public display, business, classroom etc.