[EU/US Direct] Longer LK4 X FDM 3D Printer

Powerful direct dual-gear extruder, compatible with more filaments, smoothly prints. 95% Pre-assembled & intelligent automatic leveling, free your hands, make 3D printing easier. Building size of 8.66"*8.66"*9.84" (220*220*250mm), meets routine requirements and lower power consumption. Flexible PEI film for easier mold taking. The 32-bit open-source motherboard is equipped with four sets of ultra-silent modules, creates freely. Resume printing & run out protection, don't worried about accidents. Intelligent Auto Leveling: With 16-point exact leveling, the unevenness of the hot bed is automatically compensated, deducting the hassle of manual leveling, and improves printing . Direct Dual-gear Extruder and Compatibility: Longer LK4 X features a direct dual-gear extruder with a 5:1 reduction ratio, stronger and more accurate filament control, and is compatible with PLA, TPU, ABS, PETG,and Wood. 32-Bit Open Source &  Ultra Silent Motherboard: A 32-Bit main control chip is o