FlexiSpot Manual Crank Sit-Stand Height Adjustable Desk Frame is sturdy, stable, and easy to use, which is ideal for home, schools and offices. No power source is required, so you can place it anywhere in the office or home without taking up an outlet. The manual lift lets you adjust your desk’s height, giving you flexibility to easily adjust to a sit or stand position. The customizable design helps you work in a healthy way. The unit’s heavier lift capacity, sturdier construction, smoother crank action, and greater range of adjustment make it stand out among its competitors.