large LCD touch screen, high tech and quality diode laser, Product Features1, 100% sapphire ... for more comfortable and safe treatment.3, Large 10.4'' touch LCD screen, user firiendly operating interface.4, Advanced ARM hardware control ... pulse frequency: 1Hz5, Operate interface: 10.4'' TFT color LCD touch screen6, Spot size: 10mm*10mm7, Pulse duration: 10~400ms8, Contact ...