... button to L status which show this product's low temperature, this products start be heating ,work indicating light ... indicating light will keep twinkle, when the temperature reach to high temperature the indicating light will constant lighting ,then ... the top of your head .Item NumberCR-01Product NameLCD Hair Straightener With BrushColorBlack,Purple,RedPcs/Carton24pcs/ctnUnit Size35*12.5*8cmUnit ...