Specifications for the Home Laser Hair Removal Instrument: Lamp Tube Type - Xenon Quartz Tube, Light Source - Intense Pulsed Light, Lamp Tube Life - >300,000 Times, Size - 179*70*35mm, Color - White or Pink, Rated Voltage & Current - 100V-240V, 1.0A, Rate Frequency - 50Hz-60Hz, Spectrum - >520nm, Pulse Duration - 0.9 +/- 0.2 ms, Maximum Optical Energy - 7.82-15.31 J, Operating Temperature - 5 °C - 35 °C, Operating Humidity - 15% - 70%.