The 1.25" barrel features smooth 0.5cm nylon bristles for maximum root lift creating instant volume and body from root to tip. ghd's ultra-zone technology monitors heat 250x a second to maintain the healthiest temperature without extreme heat for healthier-looking, long-lasting voluminous results..25 second heat up time for quick and effortless styling.Automatic sleep mode switches styler off after 30 minutes of non-use.Universal voltage and professional length 9ft cord.Begin with dry, detangled hair..Section hair and place glide at the roots and move through to the ends of the hair..Made in China