Ghd iv styler suitable for long hair the ghd iv styler is all youll ever need to create perfect curls movement volume and straight thanks to its advanced technology and smart features how it works new rounder barrel so its even easier to create perfect curls waves or flicks as well as the perfect straight sleep mode is a built in safety feature that gives you peace of mind by turning off if the ghd iv styler is left unattended for 30 minutes now with universal voltage for optimum p