The 4 Wavelengths Ice Painless Diode Laser Hair Removal Machine is a portable and efficient permanent hair reduction device. With a frequency of 50-60 Hertz (HZ) and a sleek white design, it is perfect for use in both professional settings and at home. Featuring an LED or LCD screen, this device offers fast treatment speed for large areas. Its four different wavelengths ensure that it is suitable for use on all skin types and hair colors, making it a versatile tool in the world of hair removal.