Multi-function design supports your personal comfort in every way. Versatile unit works as a footrest or offers free-standing climate control. Fan provides safe, even heat on low or high setting. Fan lets you adjust workspace airflow to suit your preference. Auto-off feature turns unit off for you when not in use. Elevates feet and legs to help relieve lower back pressure and improve posture. Surface massage bumps help relieve work-related stress. Adjustable platform offers two height settings: 5a and 6a. Economical requires only 250 watts to run. ETL approved.