... color, diameter, depth No painDiode Laser Hair RemovalTheory Terminator T808 System, offers special long Pulse-Width 810nm laser, can pass through ... help the hair grow; In the meantime, while the system's contact-cooling technology could delivery the local anaesthesia on ... 10*12mmEnergy Density 1~120j/cm2 Pulse width 10~1400msRepetition frequency 0.5~10HZ Cooling System Sapphire contact cooling style