Why should you choose this tattoo pen? Please kindly chekck the follwoing details and get the answers Feature: 1. Made of quality material, sturdy and durable, great for tattoo working. 2. Quality motor with strong power, and will not heat up for a long time. 3. Thread shape of the bottom is non-slip and pen-type for better grip. 4. Low noise, one-piece designs and light weight, which is easy to use. 5. Equipped with 3 silicone handle covers, which can be used according to your own needs. Specification: Condition: 100% Brand New Item Type: Tattoo Machine Optional Color: Black, Gold, Silver, Red Tattoo Machine Material: Space aluminum Tattoo Machine Size: Approx. 30x123mm/1.2x4.8in Cover Diameter: Approx. 40mm / 1.6in, 30mm / 1.2in, 30mm / 1.2in Function: Shading, Lining Starting Voltage: 3V Operating Voltage: 6-10V Application: Suitable for most types of cartridge needle Package List: 1 x Tattoo Machine 3 x Hand Cover 1 x Connecting Wire 1 Bag of Accessory