Automatic and manual modes. Air bag pressing functions for foot. Air bag pressing functions for legs. Foot size can be adjusted and it has foot walking mechanism. Easy carries function mode for air bags on both arm and leg. Each time period is 15 minutes. Rated Voltage: 100V~240. Rated Frequency: 50Hz/60Hz. Rated Power: 45W. Security Class: 1PC/CTN. Cabinet Number 20/40FT: 304/622. Dimensions: 22"L x 13"H x 20"W.