At the squeeze of a gas spring paddle, the ProperAV Two Tier Mobile Workstation Desk adjusts from 800-1200mm high, so you can choose sit or stand while performing tasks or giving a presentation. The two tier design provides ample space for comfortable work and the 4 casters enables you to move anywhere you want. This workstation is easy to operate and a great addition for use in offices, schools, homes, conference rooms and more.