Ex-Pro® SDHC CARD - Secure Digital High Capacity (SDHC) flash memory card, High Speed. Colour of card may differ. Why use Class 6 not standard SDHC ? - Class 10 is a higher speed card which works brilliantly with the latest hi-definition digital camcorders - ensuring smooth video capture. All digital SLR cameras and camcorders will perform better with the use of an SDHC Class 10 than with a standard Class 4/6 speed SDHC card. Features: Read speed: 23MB/sec (Class 10). Compatibility: SDHC Devices. Free protective case. Mechanical Lock. Warranty: Lifetime Manufacture defect warranty.