1.Negative ion function 2.Far infrared function 3.Available for AC and DC motor 4.cool, hot, warm temperature control 3 Heat Settings and 2 Speed SettingsPowerful 1875WNegative ion function & Far infrared function optionalAvailable for AC and DC motorStrong penetrability to make hair dry fast without any damageThe ceramic coating with jade crystals distributes the heat uniformly inside the air flow for greater protection and brilliance of the hair.on/off switchcool, hot, warm temperature control1.8M 360 Swivel power cord with hanging loop