Features: 100% brand new and high quality 1. The material break detection module (feed port/discharge port) is changed from the original metal copper sleeve to the design of the rotating funnel, which optimizes and reduces the resistance of the feeding, making the feeding smoother and eliminating the jam and planing phenomenon; 2. The optimization of the placement position of the internal switch device, and the optimization of the slot position of the inlet and outlet channels; 3. The buckle design between the base and the shell makes it easier to assemble; 4. The arro w direction silk screen at the position of the feeding port is easy to distinguish the direction of the feeding port and the discharging port; 5. The original pure ABS material is changed to a mixture of ABS+PC new material, the product is more beautiful and has a matte texture; Package Includes: 1 Set x Material Detection Module Specifications: Project Type: Module Model: 3D printer Material Detection Module Application: Material Inspection Color: White / Black Material :Plastic + ABS+Metal Filament:1.75MM Size: approx 3.76x3.02x1.3cm note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.