Feature: Multi-functional hair tool Flat iron/straightener Hairstyling tool Function: straight & curl corrugated wave Temperature: 140-220 Celsius 25 meters electric wire Method of use 1 turn on the power switch and turn the appropriate temperature profile when the power indicator light light it normally work 2 preheating for a minute or so perm device can achieve the required temperature can operate and use 3 The heating element equipped with automatic constant temperature systemcan continue to use With computer temperature please put the beginning to set the proper temperature before use 4 Before you use the hair straightener the hair must be nine into the dry above 5 When you use itthe hair straightener front shell is higher than the hair root 1-2cm so as not to burn 6 After using close the built-in power supply first then unplug the power line after cooling store in a dry placecolor may be a little different the computer picture showpls understand