Tattoo Gun Wireless Kit, Black Key benefits Complete wireless kit ready for learning and professional use. Comes with a swivel machine, wireless power supply with cable, cartridge needle, practice skin, transfer paper, tape wrap, ink cup and other accessories. Stable, consistent performance for smooth lines and shading. The powerful motor and advanced gear system deliver steady needle travel with low noise and minimal vibration. Compatible and convenient. Works with all common cartridge needle types and features an RCA interface for use with most rotary power supplies. No batteries required. Main features Material: aluminum alloy body for durability and comfortable handling. Needle system: Hybrid disposable cartridge needle made of 316 stainless steel with a membrane to reduce ink backflow. Needle stroke is 3.5 mm. Adjustable needle length from 0 to 4.5 mm to suit lining, shading, and color packing. Power and controls: Wireless power supply with voltage regulation for continuous operation. RCA output ensures broad compatibility with rotary machines. Weight and size: Product weight 4.4 lbs. Ergonomic handle design reduces hand fatigue during extended sessions. Maintenance and safety: Disposable cartridges allow fast needle changes and reduce cross contamination risks. Ink not included. Package contents 1 Tattoo kit (ink not included) Includes swivel machine, wireless power supply with cable, cartridge needle, practice skin, transfer paper, tape wrap, ink cup and assorted accessories. Use scenarios Beginner practice: Ideal for students learning machine handling, depth control, and simple line work on practice skin before working on clients. Freelance artists: Portable wireless setup for touch ups, walkin appointments, and onsite sessions where a compact power solution is preferred. Studio work: Compatible with standard cartridges and rotary equipment for routine lining, shading, and color packing in a professional environment. Notes No batteries are included or required. Manual measurements may have slight variations. Color may appear different due to lighting or monitor settings. This product is intended for adult use only.