Attention: Items containing batteries are delivered via standard shipping for reliability and safety. Product Description Advanced Needle Adjustment: Our tattoo pen features a sophisticated two-stage adjustment system for precise needle control, allowing you to tailor the stroke precisely for accurate tattooing. Customizable Needle Stroke: Using the initial adjustment stage, adjust the needle stroke between 2.4 to 4.2 millimeters, with precise 0.3 millimeter intervals. Fine-Tuning for Precision: After setting the stroke, the second stage adjustment fine-tunes needle placement, ensuring meticulous detail and precise outcomes. Long Battery Life: Equipped with an 1800 mAh battery, the machine operates for 5-6 hours on a single charge, with a rapid 2-hour charging time. Intuitive Power Display: The electronic screen shows battery status, voltage, usage mode, and needle withdrawal frequency. It includes a timer and memory function for tracking usage patterns. Enhanced Safety Features: To conserve power and extend battery life, the screen dims after 10 seconds of inactivity and auto shuts down after 5 minutes. Avoid using the TYPE-C power cord while charging to prevent battery damage. Versatile Functionality: Offers multiple modes including dot, jump-start, and normal modes for diverse tattooing techniques, complemented by a work timer and memory function for operational ease and efficiency. Specification: · Motor: Coreless · Weight: 250g (with battery) · Stroke Lengths: 2.4/2.7/3.0/3.3/3.6/3.9/4.2 mm · Length:5.37 inches (with battery) · Battery Capacity: 1800 mAh · Voltage: 4-12V · Charging Time: 2 hours · RPM: 8V/6500rpm Standard Package Includes: · 1x Wireless Precision Tattoo Pen · 1x Charging Cable · 1x User Manual · 1x Gift Box Ultimate Package Includes: · 1x Wireless Multi-Function Precision Tattoo Pen (WORMHOLEPRO AQUILA) · 1x Original Battery · 1x Charging Cable · 1x User Manual · 1x Gift Box