Check the listing for details. Archer Wireless Tattoo Rotary Pen Machine Precise Control 1500mAh Coreless Motor. Condition: New. Listed at 69.99 USD. Features Package Dimensions ‏ : ‎ 6.3 x 2.99 x 2.2 inches; 9.88 Ounces1. Dragoart Archer wireless rotary pen machine has an LCD Screen. It has a built-in timer. You can see all the data on one screen. It can be compatible with 99% Cartridge Needles. The product is not capable of emitting radio frequency energy.2. Dragoart Archer wireless rotary pen machine uses Dragoart custom coreless motor. 3. The stroke length is 3.5mm. It is good for lining, shading, and color packing. 4. Needle Depth Adjustment: 0-5mm. Adjust the needle length to rotate the bottom of the grip. 5. Dragoart Archer rotary machine is made of Aircraft-grade Aluminum. It is light, quiet, and powerful.6. This wireless machine has a 1500 mAh Battery. It takes 2 hours to charge. It can last up to 4-6 hours.7. The voltage is between 5v - 12 V. #8. We have 2 kinds of machine packing, we will ship randomly. thanks