Fast Hair Straightener Comb LCD Iron Brush Electric Hair Straightener. For thick hair, select higher temperature (210-230). For normal textured hair, select moderate temperature (190-210). For delicate, fine hair, you can select temperature (170-200) select low temperature will be slightly slower to make a hair style. Press the power button 3 seconds to start and press 3 seconds off. World First No Burn No Harm 5 Sec. Straighten Iron Comb Launched 0 Burns 0 harms. The entire world beautiful ladies will be crazy for it. It produce anion when work , that remove hair static electricity, also anion can combine with air to produce moisture, help nourish your hair LCD screen display 360 degree rotatable wire It’s avoids the wire twining. Heating Time / Optimal Styling Time – 30 Seconds.