Creality 3D Printer Original BLTouch Upgrade Kit Suitable for Ender-3 / Ender-3s / Ender-3 Pro /Ender 5 /CR-10 / CR-10S/ CR 10S4/ CR 10S5/ CR-20 / CR-20 Pro and so on 3D Printer. Package: 1 x BLTouch , 1 x Connector , 1 x Tie , 1 x Rack , 1 x M3X8 , 1 x Pinboard A , 1 x M3X6 screw 1 x ISP , 1 x Pinboard, 1 x Burner. Intelligence, self - check and alarm. Function of auto leveling is adopted to make it easier to use and to increase the success rate of shaping. High Precision: BLTouch standard deviation repetition accuracy is about 0.005mm.