With the Medisana IPL 840 you also make your armpits and bikini line free of hair. Due to the special glide function, it is not necessary to always lift the device from your skin. This makes you faster with depilation and you enjoy smooth legs. In addition, it is not necessary to be afraid of damage. The built-in skin sensor prevents you from using too high an intensity for your skin type. With this IPL device you are stuck on a cord, and so you are dependent on an outlet. The advantage of this is that you flash through as long as you find it necessary, the battery never runs out.