Specification MaterialNylon FabricColorBlackRated Power24WRated Voltage12V 2ARated Frequency50 60HzHeating Power10WCalfChildren 55cmAdult 63cmKneeChildren Adult 72cmThighChildren 65cmAdult 80cmLengthChildren 32cmAdult 41cmTypeA Basic version Physical correction B Electric children version Airbagpressurization C Adult manual version Electric pressure D Electric adult version Electric pressure Features 1 Manually inflated air pump can add more pressure on the leg sides easy to control with self operation for custom traction enjoyment and more obvious correction effect 2 Detachable aluminum strips enable solid construct and reliable support without easy deformation durable for long time use 3 Three in one two in one design with multi belts in different lengths can be used for different leg positions suitable for O or X leg correction Package Included A 1 x Legs Correction BandB 1 x Legs Correction Band1 x Electric inflatable1 x Adaptors