A.Automatic high speed roll,producing twelve/nine delivery channels.B.Various micro-needle mode to stimulate skin. C.Strengthen skin to absorb beauty production, the absorbency of skin can bereach above 40 times, and improve acne scar more than 50%. D.The skin will be luster and elasticity, differ from laser or chemicalsubstances, it is non invasive, can improve skin and enhances absorption. E.The micro-needle of depth can be adjusted(0.25mm-2.5mm), greatly improved thetreatment..syi