The 16GB SDHC Memory Card Plus Series Class 6 UHS-I from Samsung is a Secure Digital High Capacity card capable of holding 16GB of data. It has a Class 6 rating for minimum read and write speeds of 6MB/s, but it also complies with the Ultra High Speed Class 1 (UHS-I) specification--being capable of fast maximum read speeds of 48MB/s. The card is compatible with SDHC- and SDXC-enabled devices and readers. The Plus Series is waterproof, as well, and has been proven to last up to 24 hr in seawater. It's also shockproof against small drops and magnet-resistant, in addition to being capable of withstanding extreme temperatures of -40 to 185°F.