Delkin 16 GB SDHC 163X Class 10 Memory Card, 2 Pack (DDSD163-16 GB(2X16)) Class 10 enabled for advanced transfer speeds Optimized for digital SLR photography, HD video, high-res. files and data transfer Extreme temperature rated: -13F to 158F (-25Cto 70C) 24 MB/s Read, 17 MB/s Write Lifetime Warranty