Air Relax is a digitally controlled compression recovery device that offers you safe deep tissue massage pressure and more features than any other system on the market.Features 230mmhg of safe deep tissue massage pressure 5 operation cycles that include; A Mode: Peristaltic B Mode: Sequential C Mode: Whole Limb Massage Auto Mode: Peristaltic + Sequential Point Mode: Targeted Compression allowing you to massage different section of the limb. All with 4 Pressure Levels. 220V Household outlet. Portable, light-weight and easy to use. Low maintenance, simply wipe clean with a damp cloth. Durable case with built-in handle. 2 Years Warranty Specification: Rate Voltage: AC 220V, 60Hz Power Consumption: 30W Device Size: 10.2(W) x7.0(H)x 5.1(D)-Inch Leg Cuffs: 3 Sizes. See sizing chart below Air Compression Pump: 15 liters per minute Contents: 220V machine/pump Right & left leg cuffs Online Manual Leg Cuffs Size ChartMeasure the length from top of inside leg at crotch to the heel.NOTE: This sizing chart is approximate. If you are between sizes we advise choosing the longer cuff size. The inseam gives more accurate result than the height. *Remember to consult your Medical Practitioner before using a Compression Recovery System.