Product Name: Cr-10s PRO Automatic Matrix Mesh Leveling Sensor Model NO.: B255 Type: Desktop Printer Application: Creality 3D Printer Origin: China HS Code: 8477900000 Product Description Upgrade CR-10S PRO Automatic Matrix Mesh Leveling Sensor Automatic matrix mesh leveling CR-10S Pro features an inductive proximity sensor, to automatically detect the bed and assist in reading a matrix of points across the bed for bed leveling. Possibility of setting/adjusting Live Z Offset as you print. Packaging List: 1set automatic leveling sensor