Product information: Diameter of heat conductor: 16MM-20MM Product category: roll and straight dual-use Power supply mode: plug in Heat conductor material: tourmaline ceramic Temperature control adjustment: 10 segments Function: straight roll blowing Applicable hair type: wet and dry Best modeling time: 3-5 minutes Color: grayish purple, black Number of segments: 10 segments Power: Gray and purple European regulations, gray and purple American regulations, gray and purple British regulations, black European regulations, black American regulations (W)