- Easily add a second, third or fourth display to your LX desk mount to hold another monitor or laptop computer\n- Cable management feature routes cables under the arm, out of the way\n- Easy to use: Simple installation and effortless operation\n- Patented Constant Force™ lift-and-pivot motion technology\n- Passes Ergotron’s 10,000-cycle motion test, which ensures years of trouble-free height adjustment