· 【Multi-point Detection Smart Compensation】CR Touch auto bed leveling sensor fulfilled simple structure and high precision records the heigh of each detection point and calculates the tilt angle between th nozzle and the platform to automatically compensates for different points.· 【Creality ideal companion】This Creality cr touch automatic leveling ender 3 upgrades kit comes with 3 mounting brackets, works for Ender3 v2/Ender3/Ender3s/Ender3 Pro/Ender 3 Max/Ender5/Ender5 Pro/Ender5 s/CR 10 with 32 bit motherboard.(3d printer accessory with the best experience).· 【Stable Quality and Long Service Life】CR Touch is upgraded to a metal probe, which reduces wear and tear and greatly prolong its service life. It can be reused for more than 100.000 times. It is a Creality 3D research institute self-developed 3D printer platform leveling solution based on hundreds of million of user data used by the creators· 【Easy to Install and Easy to Use】1.Download the CR Touch program from Creality 3D offcial website and copy it to TF/SD card. 2.Insert it into the card slot of the 3D printer.The program can be updated after power on. 3.When the power is on, the cr touch firmware will be updated. (Note: Check your motherboard version and download the correct CR touch firmware)· 【High compatibility】CR Touch 3d printer auto leveling kit compatible with PEI/sticker bed/glass bed/metal bed platform