Features Upgraded Dual Blower Kit LONGER LK5 Pro Upgraded 3D Printer uses the newly upgraded cooling fans dual blower kit which can promote rapid cooling of the extruded filament powerful cooling nozzles can make the model surface better and smoother 90 Pre assembled with Stable Triangular Structure LK5 Pro 3d large printer is 90 Pre assembled large build size of 300 300 400mm with the reinforced design of diagonal rods forms a stable triangular structure which can effectively reduce vibration and achieve more stable printing 4 3inch Full Colorful Touch Screen The LK5 Pro large 3d printer with a 4 3inch full colorful touch screen optimized UI interface easy operation and real time preview of the printing process Silent and Open source Motherboard This 3d printer is equipped with 3kits of TMC2208 ultra silent chipsets to drive X Y Z Axis stepper for quiet printing reducing noise during the printing procedure With open source firmware you can try your fantastic ideas on LK5 Pro by changing the G code Removable Carborundum Glass Platform LK5 Pro uses a carborundum glass plate which has a microporous structure which not only makes the model easier to disassemble but also makes the hotbed flatter providing better printing effection High temperature Resistant PTEF tube High temperature resistant up to 280℃ not easy to soften and easier to feed filaments during printing which helps to improve the printing quality and reduce nozzle clogging Resume Printing