EZ P3 Wireless Battery Six Options Adjustable Stroke Tattoo Pen MachineThe EZ P3 Wireless Battery Tattoo Pen Machine Tattoo Gun, developed by industry experts at EZ, offers advanced features such as adjustable stroke, wired wireless flexibility, a powerful motor, and smart storage for efficient and versatile tattooing. Its cutting edge technology enhances the tattooing process and allows for precise and customizable results. Manual click here Motor: EZ Customized Swiss Motor Material: Aircraft aluminum Stroke Length: 2.