From online: AUTOMATIC ROTATION FOR EASY STYLING: Effortlessly curl your hair with the touch of a button, featuring left and right arrow controls for perfect curls every time. LARGE 1 INCH CERAMIC BARREL: Ideal for long hair and creating loose, relaxed curls or roller set waves, with even heat distribution for reduced frizz and added shine. DUAL VOLTAGE FOR TRAVEL: Enjoy gorgeous curls anywhere with dual voltage capability (100 - 240V), making it perfect for international travel. ADJUSTABLE SPEED & TEMPERATURE: Customize your styling with adjustable speed settings and a digital temperature clock (290°F - 410°F) for optimal heat based on your hair type. PROFESSIONAL DESIGN & SAFETY FEATURES: Features an ergonomic design, beveled no-kink clamp, iron stand, and automatic 30-minute shut-off for safe, comfortable use.