This wireless rotary tattoo pen offers stable, lownoise operation in a lightweight, portable design. It combines a precision motor and torque transmission to deliver consistent needle performance while an integrated display and dual rechargeable batteries support extended use. Key benefits and problem solving Stable output and reduced resistance: A vertical disc bearing motor and torque transmission shaft stabilize performance and reduce mechanical resistance for smoother, more consistent strokes. Portable and durable construction: Made from aviation grade aluminum, the pen is lightweight at 82 g and has hardness for everyday studio use and travel. Easy power management: Dual rechargeable batteries provide 2 to 3 hours of runtime and can be charged during use to avoid interruptions during a session. Clear status feedback: Built in LCD shows working voltage, elapsed operating time, and battery level so you can monitor settings at a glance. Tunable performance: Voltage is adjustable from 4 V to 12 V to match different needle setups and techniques. Features and specifications Motor type: Vertical disc bearing motor for stable rotary motion. Transmission: torque shaft to stabilize output and reduce resistance. Material: Aviation grade aluminum body; weight 82 g. Power: Dual rechargeable batteries; can be charged while operating. Runtime: Approximately 2 to 3 hours on battery power. Voltage range: Adjustable from 4 V to 12 V. Display: LCD showing working voltage, working time, and battery level. Noise and stability: Low noise operation with stability suitable for long sessions. Practical applications and use scenarios Line work and fine details: Use lower voltages for precise lines and controlled stroke speed. Shading and color packing: Increase voltage within the 4 V to 12 V range for smoother rhythm and consistent needle penetration during shading or packing. Mobile appointments and conventions: Lightweight 82 g construction and dual batteries make it convenient for artists who work on location or need reliable backup power during long days. Who this is for Professional tattoo artists seeking a portable, stable rotary pen for studio or mobile work. Artists who need clear ondevice feedback for voltage, time, and battery level. Users who value silent operation and consistent motor performance for long sessions. What it delivers Reliable, consistent rotary motion with reduced resistance. Long, uninterrupted working periods with the ability to charge while in use. A compact, robust tool that balances portability with professional features. Note: Follow standard cleaning and sterilization practices for tattoo equipment and use compatible cartridges and power accessories as required.