eSecu OTP Token series consists of highly secure One-Time Password devices. It can support OATH compliant TOTP and OCRA algorithms, enabling easy integration with OATH authentication systems. With the programmable feature(eSecuOTP-1A and eSecuOTP-5L supports it and eSecuOTP-6 does not support it), it is possible to be reseeded for an unlimited number of times using a special app, which is convenient for the user to switch the network account that needs login protection. eSecu OTP Token series can be used for OTP authentication anytime and anywhere for Internet banking, access control, ID authentication, e-finance, e-commerce and etc.