Application method of straightener : operation instruction using different Settings of Hair straightener can achive different temperature, Hairr Straightener With eleven elevator button, every touch can change 5 degrees Celsius, we recommend that you begin to choose highest amount, then according to the hair to red temperature the level. 1. thick dense hair generally choose a higher temperature 210-230 degrees Celsius 2. More generally, air hanging in the temperature 210-190 degrees. 3. Comparison the fine hair selectable temperature 200-170, and choose low temperature above a perm molding may be slighty slower. Please use the power button to bower on hold for 3 seconds to boot. press 3 seconds off straightener use a different direction, for personal use, with the personal habits.