The Premier series SDHC memory cards are especially designed for digital camera users. They are compliant with SD 3.0 specification (Ultra High Speed 1, UHS-I), and backwards compatible with SD 2.0 specification devices. Providing you with higher performance, high reliability and outstanding durability. WARRANTY Lifetime Warranty FEATURES High Durability - X-ray proof construction, resistance to extreme temperatures, error correcting code (ECC) and write-switch protection functions