Ergotron ZAL22CG/CG4 is perfect for laptop applications. Versatile, easy-to-customize Zido carts have all the flexibility you need. Choose from dozens of accessories and outfit your Zido cart to hold a computer system, a laptop, or small devices and supplies. The adjustable-height column moves the surface between 30in. and 40in. (76–102 cm) high so you can position it at the right height for you. This model’s surface-width is 22in. (56 cm).