Technical Specifications Two temperature settings (320°F minimum and 390°F maximum). Safety: Automatic shut-off feature after 30 minutes of use. Design: Moving comb with heated teeth protects the scalp and makes it easy to style hair straight or wavy (curly). Selling for offers, and only serious buyers should offer. Quantity: 12 New, unused, and all in their original boxes. For inquiries, call ( Phone number appears when clicking the contact button )