Please download the files in this page which contain: - Techla Database version 40 containing 20 keys and intercom plates measuring: 82x24.5 / 80x20 / 77x22 / 60x20 / 70x20 - Techla Pictures (preview silhouettes) - Techla PDF instructions for updating database and pictures The files and folders must be decompressed and inserted as they are on the USB stick to update. Not available in all countries. Ask Your Silca Distributor.