... Features1, 100% sapphire high efficiency light transmissions system, strong power supply system for high stable laser output.2, Exellent contact ... , available status of handpiece etc.6, Emergency stop system.Specification1,Power supply: AC110V~120V or 200V-240V 50Hz2 ... 808nm4, Laser pulse frequency: 1Hz5, Operate interface: 10.4'' TFT color LCD touch screen6, Spot size: 10mm*10mm7, Pulse duration: ...