The SUBFIX Electric Diamond Art Pen is a wireless vacuum diamond painting pen designed for crafting and art projects. The pen, in a stylish purple color, is made of plastic and operates on 1 Lithium Ion battery (included). With dimensions of 7.5 x 0.9 x 0.9 inches, this compact and glossy finish pen is perfect for creating intricate designs in diamond painting. The Subfix brand ensures quality and reliability in this innovative art tool.