Intelligent temperature regulation for shiny hair. Provides protection from extreme heat damage and preserves the hair's natural shine. Air temperature is measured 40 times per second - for continuous regulation. Powerful digital motor. The Dyson Digital Motor V9 is fast, lightweight and compact. It runs at up to 110,000 rpm and propels 13 litres of air/second. Air Multiplier technology combined with a powerful motor creates a high pressure, high speed air jet for fast drying. The five attachments are suitable for different styles and hair types. You'll find a styling nozzle that allows you to style strand by strand, a diffuser for natural drying, the gentle airflow attachment for sensitive scalps, fine scalps, and the hair dryer.The comb attachment with wide teeth for detangling and lengthening curly and frizzy hair, and the attachment for taming flyaway hair for a smooth and shiny finish. Whatever your styling needs, the Dyson Supersonic's attachments are there to meet them.