The Upgraded Ender 3 V2 Neo and Ender 3v3 KE are 3D printers by the brand Ender, with a nozzle size of 0.4mm and utilizing FDM 3D technology. These printers offer features such as touchscreen controls, on-printer controls, adjustable print speed, resume print function, adjustable layer thickness, and a heated build plate for enhanced printing capabilities. With a maximum print size of 220x220x220mm and an interface of USB 2.0, these printers are designed for precision and convenience in creating detailed 3D prints. these printer were given to me or bought by me to attempt and fix but I over estimated my abilities and I am now giving up. I have no doubt somebody with good experience would be able to fix these printers no problem