... ,DES,3DES,SHA-1,AES256,1024,2048bite RSA.Capacity: With different specifications such as 1G,2G,4G,8G,16G,32G etc ... .Interface type: High speed USB2.0, and compatible with USB 1.1Data Retention: At least 10 yearsRandom Number: Hardware produce ... back to safety U-DISK initial condition. push button security usb flash drive ,Waterproof, anti-shock