Compatibility: Specifically designed For X1C/P1S/P1P series 3D printers, ensuring a and seamless functionality. Enhanced Printing Accuracy: This filament sensor with a 4mm Hall switch connector enhances your printer's performance by ensuring precise filament detection, leading to improved print quality and reliability. and Reliable: Made with high-quality materials, this extruder filament sensor is built to last and withstand regular use, making it an ideal replacement or upgrade accessory. Easy Installation: The sensor is engineered for easy installation, allowing you to quickly replace or upgrade your existing component without the need for professional help. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:Plastic+Metal Package Contents: 5 * Pneumatic Connector 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.