Creality'S Bltouch V3.1 Auto Bed Leveling Sensor Kit Is Compatible With The Product Details ?Widely Application?: Creality BL Touch works for Creality Ender3 v2/Ender3/Ender3 Pro/Ender 3 Max/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 kinds of 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. If you have unsolvable problems during installation and use, please feel free to contact us, our after-sales technical team will provide you with detailed solutions within 24 hours. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.