[BL-Tocuh with 4 Mounting Brakets] 3D touch with 4 mounting brakets, it can compatible with for 3 series, for 5, for 5 Pro, for 5s, for CR10, for CR10 V3 Printer. The bed leveling sensor kit includes adapter pinboard so it can be used for 8 or 32 Bit motherboard. [Wide Application] 3D touch is equipped with new structural design for higher precision, it's Standard Deviation in repeatability is around 0.003mm,can be widely used in FDM 3D printers and give you an enjoyable experience. BL-Touch V3.2 auto bed leveling senor is controlled by hall effect, providing high-precision. Thus the bed material can be freely, glasses/ wood/ metal, etc. [2 Types Extension Cables] The auto bed leveling kit includes 2 different length cables (18cm/100cm) easy to disassembleset when the distance between your printer interface and the 3D Touch installation position is different, meet the wiring length needs of different printers. [Smart] The push pin of the 3D Touch sensor is operated two times to test when the power is on. The LED light blinks if a problem found on a self-test or on an operation. Colour: Material:Plastic Package Contents: 1 * Leveling Sensor 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.