【Signature tool 1】: SMAJAYU electronic signature pad works with “SMAJAYU document(s) Signer” a Sign Tool for pdf,word,excel documents digital signature. Pdf,Excel,word documents will be save as pdf after signature on sign tool. | 【Signature tool 2】: Second sign tool named “demo tool” which is for getting signature picture to past on excel,word.edited files. | 【Signature tool 3】: 430S SDK is available to integrate with programmable flatform, like website, app. Contact SMAJAYU support team for support. | 【Apply Windows OS】SMAJAYU Signature pad and Signer tool only compatible with Windows OS, Windows 7,8,10,11, don’t support apple PC. | 【How to sign documents】Install “ SMAJAYU document(s) Signer” on computer, run this app and create certification for first installation which for signature encryption and safety. Then insert Signature pad by USB and open files to start sign. | 【DOWNLOAD】“SMAJAYU document(s) Signer” is available to be downloaded from DROPBOX. Downloading link is available in user manual under “product guides and documents” on this page. "Signature Pad Operation Video" is also available. | 【About 430S】SMAJAYU Signature pad is for get digital signature, USB port connection, 4.3inch LCD display with backlit. SMAJAYU Signature pad 430S is not compatible with any other brand signature tool.