SanDisk Extreme HD Video 32 GB (16GB x2 = 32GB) SD SDHC Class 10 45MB/S Memory Card with Everything But Stromboli (tm) Card Reader Capture HD video on Class 10 camcorders and video-enabled DSLRs Store up to 4 hours of H.264 high-def video2 Performance/speed: Up to 45 MB/sec read and write speeds Operating temperature: -13F to 185F (-25C to 85 C) Compatibility: Compatible with all SDHCTM and SDHCTM UHS-I supporting host devices