[Latest IPL] IPL Hair Removal adopts Professional IPL (Intensive Pulsed Light) technology , which works directly on the Hairline (no interference Light source) to effectively prevent Skin damage. The number of flashes is 999 ,999 times [2 flash modes optional] Manual / auto flash mode , manual flash is mainly used for removing Hair in Small areas , for example. Bikini line , fingers & toes , lips; auto flash mode is suitable for large Hair Removal areas such as arms , legs & back. Press & hold the flash button for 3 seconds , then enter auto flash mode [5 Adjustable Energy Levels] The IPL Pulsed Light Epilator System has five adjustable Light energy settings to ensure the Treatment is both gentle & effective. You can adjust the level according to the Skin area & Hair growth. [Permanent & effective repair] By using the IPL Epilator , the Hair follicles start to shrink & Hair growth slows down. After 8 weeks , the Hair is reduced by more than 90%. & within 8 weeks of Treatment , the Hair got thinner & thinner.