Latest Silk'n Jewel 400000 discover an entirely new approach to hair removal. With Touch & Glide technology for swifter hair removal you no longer have to press the pulse button during your treatment! Automated light pulses suitable for larger treatment area such as the legs & arms. Simply put the tip of the device in contact with your skin & the Jewel automatically emits a light pulse. Touch & flash method ideal for smaller areas including the face armpit & bikini line. Simply put the device vertically in contact with your skin & the Jewel automatically emits a light pulse. (Include battery no warranty)