1. Worldwide using,100V-240V,50/60Hz. 2. Ceramic coated barrel,diameter 9mm,19mm,25mm,28mm,32mm,385mm. 3. PTC fast heating and heat recovery,smart MCU unit temperature control. 4. Temperature setting,100℃-230℃. 5. Auto lock function,double click power button to unlock. 6. Auto shut off in 60 minutes. 7. Comfortable handle,Engineering Mechanics design. 8. 360 degrees swivel cord with hanging loop.