Home and car adapter, output:DC12.2.5A Can use in home & car & office Narrow the span, Raising the Hip, Massage the body Press the ON/OFF button to start the shiatsu and infrared massage & airbag function Press the Shiatsu button to control shiatsu massage function ON/OFF Press the Air button to control 3 modes of airbag function( seat part airbag & leg part can control independently, P1 just seat air, P2 just leg air, P3 seat + leg air) Full massage the hip with airbag. Press the Heat button to control Heat ON/OFF There is an auto 15 minutes shut-off function.