The LDA24-221 supports 23"-42" curved & flat panel TVs, the interactive arm provides maximum flexibility for freely positioning and excellent features that distinguish greatly from a normal arm. Each arm can hold screen from 5-30kgs (11-66lbs). Built-in spring tension gauge can be easily adjusted to fit varied weights that arm holds. Advanced VESA plate includes -15° to +5° of fingertip tilt that enable both sit to stand and touch screen applications. The plate also allows +3° ~-3° screen level adjustment. A hidden cable management integrated in arm easily conceals cables beneath channel covers.