Feature: 1. Stable Structure: 95% pre assembled 3D printer, closed sheet metal base and integrated body design, with stable structure, 300x300x400mm large size, to meet more needs. 2. 3.5in Touch Screen: The 3D printer adopts a 3.5in color touch screen, which has a good human computer interaction experience, convenient operation and observation. 3. Good Protection: Adopts excellent chip control board, with fast operation speed, over current, overload and temperature runaway (directly disconnect the heating switch) protection. 4. Glass Platform: The printing platform is equipped with aluminum substrate hot bed and tempered glass, the glass platform makes the model printing smooth, easy to paste and carry. 5. Reasonable Design: The Z axes and Y axes adopt V shaped rods, the 3D printer is equipped with roller guide rail, which is stable in operation, with low noise and high printing accuracy. 6. Upgrade Function: With offline upgrade function, copy the upgrade file to the memory card and insert it into the 3D printer to complete the program upgrade. Specification: Item Type: 3D Printer Product Model: ET5 Color: Black, Red Structure: Aluminum profile frame Print Head Quantity: 1 Print Size: Approx. 300 x 300 x 400mm / 11.8 x 11.8 x 15.7in Printing Accuracy: ±0.1mm Layer Thickness Accuracy: 0.1-0.3mm Connection Mode: Online printing, offline printing Display Screen: 3.5in touch screen Moving Speed: 10-300mm/s Printing Speed: 20-150mm/s Standard Nozzle Diameter: 0.4mm Extrusion Head Working Temperature: Maximum 250℃ Hot Bed Temperature: Maximum 90℃ Hot Bed Applicable Materials: Aluminum substrate, tempered glass, PC film XY Axes Positioning Accuracy: 0.012mm Z Axes Positioning Accuracy: 0.004mm Support Printing Materials: ABS, PLA, HIPS, etc Support Material Diameter: 1.75mm Recommended Material: PLA Control Software Language: English, Chinese, French Data Input Format: STL, OBJ, JPG Data Output Format: Gco, Gcode Model Auto Support Generation: Support Continue Typing After Power Failure: Supported Material Break Detection: Supported Automatic Material Feeding Returning: Supported Leveling Mode: Automatic leveling Overall Size: Approx. 540 x 420 x 640mm / 21.3 x 16.5 x 25.2in Maximum Power Consumption: 350W Operating System Support: For Windows, for OS X Supported Slicing Software: For Cura, for Simplify 3D, for Repetier host etc. Working Environment: Temperature: 0-40℃ Humidity: 5-80%Complete Functions: 1. With automatic leveling function, the trouble of manual leveling is eliminated; At the same time, it can be leveled manually to experience the fun of DIY operation; 2. Support power failure and continuous printing function, without worrying about accidental power failure; 3. It has the functions of material break detection, material shortage alarm and pause printing; 4. It supports automatic feeding and returning functions to facilitate feeding and refueling.. Package List: 1 x 3D Printer1 x User Manual1 x Installation Tool Kit