1.Power on: press and hold the ON/OFF button to power on. After power on, the working indicator lights up red, and the LED digital temperature indicator lights up green.

2.Temperature setting: - Normal, straight hair: 310℉/150℃(Two Lights)   -Coarse or wavy hair: 360℉/180℃(Three Lights)   -Thick or curly hair: 400℉/210℃(Four Lights)

3.Power off: press and hold the ON/OFF button for 2 seconds to power it off.