1K 13.56 MHZ RFID badges, waterproof, robust and economical.Ideal for duplicating your building badge at a lower cost (e.g. vigik). Fully programmable (including the UID of block 0) with the free MCT Android application using a smartphone equipped with NFC technology.Multiple uses: access management (building, office, gym), working time management, canteen account, vending machines.ONLY COMPATIBLE with the MCT Android application (DO NOT USE ANOTHER MEANS OF PROGRAMMING). BEFORE BUYING: make sure your smartphone is capable of reading the original badge with the MCT application (downloadable from Google Store). READ THE INSTRUCTIONS AND RECOMMENDATIONS PROVIDED IN THE PRODUCT IMAGES.Lamp fixture information:Make sure beforehand that your NFC smartphone can read the original badge thanks to MCT Android.Certain access control systems (Comelit and Intratone brands) detect duplicate badges by incrementing the access counters and risk deactivating the original badge and/or its copy. To identify the presence of the meters, it is necessary to make two consecutive backups (dumps) of the original badges (before and after visiting your building) and to compare them with the MCT (edit the dump then compare the dump). There is counter detection logic if two backups are not identical.Write Dump (Clone) Click Show Options and select both options before proceeding with writing badges, otherwise rewriting on your badges will not be guaranteed.When writing a blank badge for the first time, MCT applications often receive the error message "Error: Some errors occurred while writing...". Simply repeat the action to succeed: "...Write successfully..."Copies made using these badges as well as their use and destination are the responsibility of the buyer.Note: The data are all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.