IC processor chips, using a program-controlled. - Stable power supply of-PWM method. - Precision work to facilitate movement of the needle straight. - Precision machining the end of the needle used. - Type one-touch controls on the remote control mode (step 15 speed) - Easy adjustment needle length. - There is no strain on your wrist and light handpiece (for prolonged use OK) - Handpiece of the pigment in the blood and there is no residual. - One-touch speed level conversion.