Good to know- Style your hair and get a perfectly smooth finish with this Wahl straightener's ceramic technology- Pick the best temperature - from 150 to 230°C - for your do- These straighteners can be used on wigs, hairpieces and extensions- They automatically shut off after 60 minutes, so that's one less thing to worry about- The long 3 m cable gives you plenty of reach_________________________________Please note: The Wahl Afro Hair Straightener can be used on human hair / natural hair wigs, hairpieces and extensions. However, please note the Straightener must be used on a lower temperature between 150 and 180 degrees and you should also check the instructions that come with your wigs, hairpieces and extensions.