We skipped testing the Autonomous SmartDesk Professional (previously often known as the SmartDesk two) since it lacks an anti-collision attribute, which is a vital security thought for any person using a standing desk. We like 4 height configurations so that two individuals can have personalized sitting down and standing presets. https://sitstandingdesk42974.tdlwiki.com/1966727/everything_about_design_standing_desk