Undulating 3D shiatsu posts for firm massaging over a wide area of the entire sole. Multi-Air bag pressing functions. Swing Reclining function for easy and natural angle adjustments. Heating function. Beautiful appearance and easy to operate. Three automatic modes: shiatsu, relax, quick. Function Parameter:. Rated Voltage: 100V~240V. Rated Frequency: 50Hz/60Hz. Rated Power: 45W. Security Class: 1PC/CTN. Cabinet Number 20/40FT: 160/334. Dimensions: 24"L x 20"H x 22"W.