The IPL device for home use is actually a 3-in-1 multi-function product. This device makes use of three different flash lamps to produce a wavelength of 410nm, 510nm and 540nm. It allows for the adjustment of 5 energy levels, each flash lamp can send out light up to 120,000 times. The beatuy machine product also features multiple levels of security protection to prevent skin damage. Effective, versatile and safe.