Wireless Tattoo Machine Pen 4.2mm Stroke

Wireless Tattoo Machine Pen 4.2mm Stroke Specification: 1. Item: Wireless tattoo pen2. Battery Capacity : 1800mAh3. Working time : Approx. 6 hours4. Output Voltage : 4V to 12V5. Stroke Length : 4.2mm6. Needle protrusion : 1-4.5mm.7. For lining : 7.5V-9V8. For colour packing /shading : 6V-8V Feature: 1. Lightweight, made of high quality aircraft aluminum, Durable anodized machine finish.2. Type-c charging port charging is convenient3. Can work for 6 hours when fully charged, just need 2 hours for fully charge,and it also can work normally when charging.4. The LED display will indicate the working voltage and battery remaining capacity5. Detachable as a whole, easy to disassemble, maintain and replace spare parts.