HIGH-QUALITY MATERIAL- Color: Black; Material: Aluminum Alloy; Product Size: 11.4x30.4-50'(LxH); Stroke Length: 19.6'; This product is made from the solid steel frame, which ensures durability and non-deformation. Powder-coated surface for anti-rust. AUTO LIFT/DOWN HEIGHT- This product supports 3-level hook adjustment. The TV screen can be quickly lifted or down between 30.4' and 50' height at the speed of 20 mm/s. Powerful 1000 N motor to keep the up & down movement safely. Note: Not suitable for ceiling-mounted or wall-mounted installation, as it may cause product damage. COMPATIBLE TV SIZES- Have standard screw holes at the back. Load Capacity: 132lbs. It fits for most types of 28'-32' TVs on the market. Compatible with LCD, LED, plasma, curved TVs from Samsung, Sony, LG, Sharp, Insignia, Vizio, Haier, Toshiba, Sharp, Element, and TCL. INSTALL & ACCESSORIES- It must be mounted against the wall with offered accessories (M8 screw) to keep high stability