• Ultra Quiet Drive & Open Source
• 4.3Inch Large Color Touch Screen
• Upgraded Structure & Unique Tempered Glass Design
• Resume Printing & Filament Detection Sensor
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【Upgraded Structure Design】LONGER LK4 Pro uses a new aluminum extension profile to enhance structural rigidity and stability. And it will be easier to clean the debris than the V-slot design during printing. Built-in design of power supply provides more safety. A tempered glass bed ensures fast heating and strong adhesion.

【Ultra Quiet Drive】 LK4 Pro 3D Printer is integrated with plug-and-play TMC2208 ultra-quiet drive modules, which makes printing triple times quieter and gives you a more comfortable environment to go on your creation.

【Open Source 】With open-source firmware, you can try your fantastic ideas on LK4Pro by changing the C code. In addition, all products have quality assurance, please feel free to contact us or join our community to get support and open sources data if there's any question on printer or operation.

【4.3Inch Large Color Touch Screen】 With a 4.3inch full-color touch screen, you can say goodbye to the era of manual knobs and dot-matrix display. Optimized UI interface, easy operation, you can view real-time printing information on the screen.

【Unique Tempered Glass Design】
LK4 PRO is integrated with a tempered glass bed, greatly resolving warped bed issues. And it provides protection to your heated bed and easy to remove the printing models after cooling.

【Resume Printing And Filament Detection Sensor】LK4 Pro can resume printing even after a power outage occurs, and also can pause the printing automatically when the filament runs out. So you do not need to print from the beginning again in either case, which will save you a lot of time and filament.