The device consists of an electric microneedling pen and disposable liquid containable needle cartridges. This manual will explain how to use each component in detail. The is used to improve the appearance of the skin and reduce signs of aging. It is intended to stimulate the skin with micro-needles for collagen and elastin production. The microchannels created in the superficial skin by the device also help with the absorption of skin serums. There are 3 different types of needle cartridges designed for the device. These cartridges can be used for micro-needling treatment and nano-needling treatment.