... screen: 8.4'' TFT True colorful touch screen+5.1'' LCD screen, which could work together, easy to operate ... density1-50J/cm2Frequency1s,2s, 3s, 4sPulse Number1-6TSub-pulse Width modulation1-25msPulse Space1-100msRF Frequency2-6MHZRF Energy1-50 J/cm2Light ... size6Pulse Duration< 10nsRepetition rate (pulse rate) 1, 2, 3,4,5,6 (adjustable 0.5-3)Hz SpecificationScreencolor touch LCD displayVoltage220V ...