• AC Salon Style Motor — lasts 3x longer than conventional DC motors and gives you the power of two dryers in one - a powerful 1875 watts!• Positive Ion Setting — the key differentiating feature. As the air blows the hair cuticle is opened - giving a deeper and more effective drying penetration to the cortex. • Negative Ion Setting — generates 100x more negative ions than any other ionic dryer on the market, resulting in softer, healthier hair with less static.• 2 speeds & 2 temperature settings — extreme versatility makes it perfect for all hair types and textures.• Cool blast — sets and locks in the style.• Silent Fan Blade — specially designed cap with a silent fan blade reduces noise.• Dual Housing Structure — shock tested for extreme durability. • Includes two concentrators + one diffuser • 9 ft 360° swivel cord with ALCI safety plug • 110 V / 60 Hz How to Use 1) spray your hair with a heat-protective spray. 2) Begin to blow dry hair with a medium-sized round or flat brush using the positive ion setting, as the positive setting helps to open the hair cuticle allowing for a deeper penetration of heat; therefore, faster drying time. 3) As your hair is 80% dry, then switch over to the negative setting. Negative ions, makes the heat much gentler on the hair during styling – therefore, allowing for a more so shiny and a less frizzy finish. • only available for purchase in the USA and CANADA (does not work internationally as item is not dual voltage) out best blow dryer online professional blow dry at home