This Blackbudda supplies have been meticulously tested to ensure top quality. The needle cartridges are thoroughly sterilized with Ethylene oxide (EO) gas and individually packaged for your safety. The rotary pen with the RCA interface operates smoothly and quietly, providing a seamless tattooing experience. Our tattoo supplies kit features an advanced atomic fission motor, delivering powerful yet quiet performance. The stroke length can be adjusted from 0-4mm, making it easy to handle. We recommend using 6-8V to achieve maximum efficiency. Our power system is equipped with innovative technology and design, ensuring durability and safety. It also features an automatic protection function to prevent damage from high voltage or abnormalities. For your convenience, we have included 10 bottles of different color pigments to meet all your tattooing needs. As always, please don't hesitate to reach out to us via email if you encounter any issues. Kit Includes: 1pc Tattoo Pen Machine 1pc Power Supply 1pc RCA cord 1pc Power Cord 1pc Foot Pedal 10pcs Needle Cartridges 2pcs Transfer Paper 2pcs Disposable Gloves 1pc Practice Skin 1pc Grip Cover 10pcs Tattoo Inks 40pcs Ink Cups Package Dimensions: 8.0 x 7.7 x 3.0 inches