m5 c derma dr. pen microneedle system adjustable needle lengths 0.25mm-2.5mm electric stamp auto roller anti ance spot

features: twelve needle function: 1. automatic high speed roll(max speed 8000~18000 turn per minute), producing twelve delivery channels. 2. various micro-needle mode to stimulate skin: a. strengthen skin to absorb beauty production, the absorbency of skin can be reach above 40 times, and improve acne scar more than 50%. b.the skin will be luster and elasticity, differ from laser or chemical substances, it is non invasive, can improve skin and enhances absorption. 3. the micro-needle of depth can be adjusted(0.25mm-2.5mm), greatly improved the treatment. features oftwelve needle: a. five different high speed