This new version addresses and enhances key features based on artist feedback, delivering a more powerful, durable, and versatile tool for your craft.Equipped with a re-engineered Direct Drive Structure, the upgraded Turbo boosts efficiency and stability, providing smoother and more precise control. The EZ Customized External Rotor Brushless Motor has been enhanced for greater torque and consistent power, ensuring flawless results even during long sessions. Battery click here Machine Instruction Manual Upgrades: Reinforced Push Rod: Resolved the issue of push rod breakage caused by improper adjustment by the tattoo artist. Advanced Stroke Adjustment: Six-level adjustable stroke length (2.5mm - 5.0mm) with a more intuitive tuning mechanism. Enhanced Needle Protrusion Control: Fine-tune needle depth for intricate detailing with a more accessible adjustment system. Power Boost: Upgraded motor with increased output for stronger and more consistent impact. Specifications: Motor: Upgraded EZ Customized External Rotor Brushless Motor Material: Aircraft aluminum Stroke Length: 2.5/3.0/3.5/4.0/4.5/5.0mm Operating Voltage: 5 - 12V Rpm: 12V/11000rpm ± 10% Switch Frequency: 60 - 170 Hz Needle Protrusion: 0 - 4.5 mm Dimensions (Ø x L): 34 mm x 128 mm Weight: 6.9oz (195g) Battery Capacity: 1600mAh Recharging Time: 2hrs Powerpack Working Time: 5 hours (approx.) Note: The upgraded P3 Pro Turbo does not support fast charging. Please use the provided cable for optimal performance.