Features: brand new and high quality The automatic bed leveling sensor makes the leveling of the hot bed easier, it can accurately measure the inclination of the bed surface. It can work with almost any kind of bed material, such as glass, wood, metal, etc. You can get the position of the dot by touching the dot on the heating bed, and then adjust the Z-AXIS height to compensate during the printing process. Printing can be achieved even if the platform is not flat. Using progressively designed solenoids and Hall sensors, high precision is integrated in such a simple structure. In order to make it more humane and bring you a more pleasant printing experience. Suitable for Ender-3 V2 / Ender-3s / Ender-3 Pro / Ender 5/ 5S/ 5Pro / Cr-10 / Pro and other 3D printers. Specifications: Name: Automatic Leveling Sensor Color: White Translucent for Shell Material: PC Sensor Size: approx: 40x25mm/1.57x0.98in Weight: 120g Package Includes: 1 Set Automatic Leveling Sensor note: It is not applicable to the upgraded version of the motherboard above 4.2.7. Do not remove or deform the elastic material attached to the thumbtack. After reassembling or adjusting the core, please fix the push pin with lock paint. Pulling/pushing the thumbtack forcefully will damage the for touch sensor and reduce its accuracy. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.