Features: Brand new and high quality. It can work with almost all kinds of bed materials, such as glass, wood, metal, etc. Suitable for Ender-3 / Ender-3s / Ender-3 Pro / Ender 5 / Cr-10 / Cr-10S / Cr 10S4 / Cr 10S5 / Cr-20 / Cr-20 Pro for Ultimaker 2 / Kossel / BLV / Voron / Anycubic and other 3D printers. The automatic leveling sensor makes hot bed leveling easier, it can accurately measure the tilt of the bed surface. Using progressively designed solenoids and Hall sensors, high precision is integrated into such a simple structure. To make it more humane and give you a more pleasant printing experience. You can get the position of the point by pressing the point on the heat bed and then adjust the Z-AXIS height to compensate during the printing process. Printing can be achieved even if the platform is not level. Specifications: Name: Automatic leveling sensor Color: White transparent Voltage: 5V Current: 15mA Maximum current (for peak value): 300mA for shell material: PC Cable length approx: Short line: 200mm/7.87in; Long line: 1000mm/39.4in Wiring: 3-pin: Green: -gnd; Red: +5v; Orange: Signal cable 2-pin: Black: -gnd; White: Zmin Weight: 50g 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 push pin. After reassembling or adjusting the core, fix the push pin with lock paint. Pulling/pushing the push pin with force will damage the 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. Package includes: 1 set automatic leveling sensor