This footrest has a multi-function design which supports your personal comfort in every way. It is a versatile unit; it works as a footrest or offers free-standing climate control. It features three temperature settings: cool fan, low heat, and high heat. The fan lets you adjust workspace airflow to suit your preference. The Auto-off feature turns unit off after eight hours of use to prevent overheating. The adjustable footrest elevates feet/legs to help relieve lower back pressure and improve posture. Its surface massage bumps help relieve work-related stress.