Enhanced Heat Dissipation:Features excellent heat dissipation to prevent plugging, maintaining optimal performance and longevity. Comprehensive Accessory Kit:Includes a full kit with a V-Slot wheel, heater cartridge, thermistor, and more for a complete upgrade. Easy Installation:Comes with a fixed backplane and all necessary parts for a straightforward installation process. Dual Extruder Upgrade:Offers a dual extruder upgrade, enabling flexible filament compatibility like TPU, expanding creative possibilities. Working Voltage: A:12V for CR-10 / B:24V for Ender-3 Nozzle size: 0.4mm Adaptation consumables: 1.75mm filament Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:As Shown Material:Metal<br><br>Package Contents: 1 x Extruder Direct Drive Upgrade Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.