Power Input: AC 230V 50/60Hz.

Tolerance is plus or minus 10 percent. Chair Load Capacity: Less than 150 kilograms. Backrest Movement: 116 to 185 degrees. Input Air Pressure: 0.4 to 0.8 MPa. Air flow rate: Greater than 10 NL per minute. Input Water Pressure: 0.2 to 0.4 MPa. Water flow rate: Greater than 50 ml per minute. Air Exhaust Volume: Greater than 55 L per minute.