Hot Tools Adjustable Multi-Waver offers the ultimate wave versatility. Four adjustable barrel settings give the freedom to experiment with different wave patterns. Create tight or loose waves — or mix wave settings for one-of-a-kind style. The Black Gold styling surface leaves hair looking healthy. Create professional-quality waves. Features Variable heat settings up to 410℉ for all hair types Cool Tips for worry-free gripping and adjusting Two-hour auto shut-off for peace of mind Universal dual voltage for easy traveling Four adjustable waver barrel settings for versatile styling See how it works.