The Ready Tattoo Pen Model/SKU: DWTK067 Start voltage: 4.5V Frequency: 55-165 Hz Revolutions: 10000 Per Minute at 8V Switch: 14000 r/min at 12V Needle depth: 0 – 4.0mm adjustable Tattoo pen length: 120mm Motor: Brushless Motor Brushless Motor A motor is the heart for a tattoo pen. This tattoo pen adopts a brushless motor. Also, it adopts a direct drive system, so it works powerfully and with less heat. Generally, its service life is more than 3000 hours. Tattoo Pen Grip Tattoo pen grip diameter: 30mm The pen body is made of aircraft-grade aluminum. Anti-slip and groove design provides a comfortable feel. Stroke A tattoo pen with a long stroke (4.0+mm) can push large needle groups into the skin with ease and allows you to hang the needle farther out of the tip, which provides greater accuracy when you’re lining. Pens with longer strokes are more suitable for dot, line, traditional, and colored tattoo designs. Tattoo Pen Grip 1.Coming with an interchangeable RCA adapter allows it to work as wireless and wired. 2.This battery is rechargeable. It lasts for 6 hours of work and takes 2 hours to recharge from empty. Working voltage: 4.5-12V. Battery capacity: 1200MAH Package includes What you have? Quantity Tattoo pen 1PC USB-C power cable 1PC RCA tattoo clip cord 1PC Interchangeable RCA adapter 1PC Dual tattoo power supply 1PC Tattoo needle cartridges (3RL 5RL 5RM 7RM) 20PC's Tattoo foot pedal 1PC Tattoo pen bandage 2PC's Tattoo Ink (30ML) 7PC's Tattoo stencil paper 2PC's Thick tattoo fake skin 2PC's Tattoo ink caps 20PC's Disposable glove 1PC Why Tattoo Pen Kit 1. Even though this wireless tattoo pen works gently, it also packs colors quickly. so it causes less skin damage and saves time. In other words, this tattoo pen is a nice choice for both tattoo beginners and professional tattoo artists. 2.There is an interchangeable RCA adapter for this wireless tattoo pen, so it is reliable to work for a long time. Tattoo Products Warranty The wormhole tattoo pen comes with a 1-year warranty. Tattoo Tips for beginners Round liner (marked RL) tattoo needles are used to make lines since they are packed tightly.Round magnum needles (marked RM) are used for shading and color fill.Please do not tattoo on human skin if you are not a professional tattoo artist. You may hurt yourself.