large LCD touch screen, high tech and quality diode laser, Product Features1, ... more comfortable and safe treatment.3, Large 10.4'' touch LCD screen, user firiendly operating interface.4, Advanced ARM hardware control ... : 808nm4, Laser pulse frequency: 1Hz5, Operate interface: 10.4'' TFT color LCD touch screen6, Spot size: 10mm*10mm7, Pulse duration: 10~400ms8 ...