Product Details: Accentuate your hair’s shine and create smooth styles with Smooth-It. This 2-in-1 straightening comb makes achieving smooth, straight styles quick and effortless. Negative ion technology helps lock-in shine while eliminating unwanted frizz. Customize styles with a digital dial that controls temperature (230°F-450°F). Additional styling features include a soft-touch finish handle, protective heat shield for safe styling, professional length 360° swivel cord, 60-minute auto shut-off, and dual voltage for worldwide use.. Aluminum plates Temperature Range: 230-450°F Negative ion technology Protective heat shield 60 minute auto shut off This item is in excellent pre-owned condition, only used once.