【Widely Application】: Creality BL Touch works for Creality Ender3 v2/Ender3/Ender3 Pro/Ender5/Ender5 Pro with 32 bit v 4.2.2/4.2.7 mainboard.(Require 3d printer with 32 bit V4.2.2 or V4.2.7 motherboard ) | 【Easy Firmware Installation】: Simply download the BLTouch firmware（Note:words "without adapter"firmware) from the Creality Official Website and save the file to your printer’s memory card. Insert the card in to your printer. Turn on the printer and wait a few seconds for the firmware to install. | 【Easy to Install and Use】3 different mounting brackets allows for installation on several of our printers. | 【High-precision】Enhanced leveling with precision of +/- 0.005mm. This allows for easy leveling with pinpoint accuracy. | 【Genuine High Quality Set】Our package was included 1 set of auto bed Leveling Kit and an another replacement probe. Simple, smart and easy to install.