Check the listing for details. HAWINK Wireless Tattoo Machine Rotary Pen Kit EM155. Color: Beige, Condition: New. Listed at 59.99 USD. It looks like a complete kit that may have been a part of an amazon return pallet. the parts that are here all look unused. I got the following from the hawink website on the machine that is in the black box.EM155 is a portable tattoo pen machine. Most tattoo artists love the pen because it has a forward-leaning weight and unique design concept, allowing you, the tattoo master, to focus on the needle tip. It can not only draw delicate lines but also make transitional soft shadows.FeaturesEmploys a High-precision motor, less noise. An efficient transmission mechanism offers powerful performance.Light-weight. Total weight 170g. Flexible and lightweight for every styleVersatile as a standard liner and shaderErgonomic design. Comfortable Grip. Weighted toward the front of the machine. And the RCA connector offsets the balance of forward-leaning weight overall, Compatible with most needle cartridges.Easier operation. Effectively slow down the reset force of the tattoo needle while working.ParametersStroke:3.5mmRated voltage: 10VWeight: 170gConnector: RCANeedle Depth: 0-4.5mmLength: 122mmDiameter: φ31mm