Specifications: TygerClaw TYDS13015 Ergonomic Sit-Stand Desktop Workstation Stand is an ultra easy sit-stand solution designed with a spacious upper display surface and lower keyboard and mouse desk. It features spring-assisted lift mechanism that lets you switch easily between sitting and standing in just a few seconds. It also holds up to 15kg/33lbs, while staying steady and solid at any height. Simple to start enjoying the health benefits of standing while you work.