Aderans Spa Nist Scalp Care Lift Up LDE Light Used once and stored at home. Operation confirmed. Massage strength can be selected. Can be used during shampooing, in the bath, etc. Rechargeable, so you can use it anywhere. No box or instruction manual. Please search the web for "Aderans Spa Nist" for the instruction manual. ■ External dimensions (width x depth x height) mm: Approximately 90 x 100 x 118 Body weight: Approximately 280g Power supply: Rechargeable Voltage: Dedicated adapter