1. Worldwide using,100V-240V,50/60Hz. 

2. 2pcs of PTC heaters inside the barral. 

3. Auto shut off in 40 minutes. 

4. Movable brushes can be used smoothly,evenif the hair knots. 

5. Comfortable handle,Engineering Mechanics design. 

6. Multi function button,3 temperature setting,max temperature 210℃. 

7. 360 degrees swivel cord with hanging loop.