This is an open box but never used, I tested and worked great. IPL Technology】Our permanent hair removal uses an advanced IPL technology, and its laser can go through the skin surface to reach the roots of hair follicle to stimulate it which makes hair follicle dormant and prevent hair regrowth. 【Upgraded 999,900+ Flashes】Through our continuous research and improvement, the number of flashes of our ipl removal device has been upgraded to 999,900+ times, it's equivalent to 40 years of treatment and enough for 9-10 individuals' hair removal. 【5 Levels Adjustment】 This laser hair removal device has 5 different energy intensities. The higher the level, the greater the intensity and the better the effect.（!!Note:It is normal that the higher the energy level, the stronger the pain.） 【Manual & Auto Mod】Two modes design can satisfy your demands on different hair removal parts. Manual mode is mainly used for small area, such as bikini line, armpit, lips; Auto mode can be used for large area, such as arms, legs and back. 【Economical & Convenient】Compared with the cost of salon hair removal methods, the at-home hair removal device is safe, simple, gentle and effective to use at home. It helps you to save lots of cost and protect your privacy.