... 3HZ Laser treatment head 1064nm,532nm,1320nm,moppet head Cooling system Semiconductor+wind cooling+water cooling Input power AC 220V(110V ... save them, it can be modified, use it any time, the system can remember the treatment parameter.Simple model: user not professiona ... , just select the skin color and hair type. The system will automatically calculate the munber of pulses width, interval and ...