◆ Adapter output: 24V-1.5A.36W  ◆ Material:ABS and stainless steel    ◆ 2 levels of infrared heating function, Green light: Low, Red light: High  ◆ 3 level strength, Red light: High, Blue light: Mid, Green light: Low  ◆ 3 massage modes,   A. Green light with Rolling + Airbag,   B. Blue light with airbag massager only,   C. Red light with Rolling + Shiatsu only  ◆ Rolling Shiatsu massage soothes and invigorates bottoms of feet  ◆ Kneading air pressure relieves tightness on tops of feet and ankles   ◆ Simple to operate—On/Off button, choice of high and low intensity      ◆ AUTO-STOP 15mins timmer.