Capture HD video on Class 10 camcorders and video-enabled DSLRs * Store up to 4 hours of H.264 high-def video * Performance/speed: Up to 30 MB/sec read and write speeds (Class 10) * Compatibility: compatible with all SDHC supporting cameras and camcorders * Ships in Certified Frustration-Free Packaging * Security: Built-in write-protect switch prevents accidental data loss