Products Featuring a minimum write speed of 4 MB/s and available in capacities ranging from 4GB to 16GB at an astonishingly affordable price, Transcend’s standard Class 4 SDHC cards are a smart and cost-effective choice for you to capture and store more of your everyday life without worrying about running out of space. For further peace of mind, all SDHC cards are comprehensively tested for compatibility and reliability, and carry Transcend’s renowned Lifetime Warranty. Each card contains built-in ECC (Error Correction Code) that automatically detects and corrects errors during data transfer, and also utilizes a sophisticated wear-leveling algorithm for consistent long-life operation. Features -Fully compatible with SD 2.0 Standards; -Class 4 compliant; -Easy to use, plug-and-play operation; -Built-in Error Correcting Code (ECC) to detect and correct transfer errors; -Supports Content Protection for Recordable Media(CPRM); -Allows In System Programming (ISP) for updating firmware; -Supports auto-standby, power-off and sleep modes; -Mechanical write-protection switch; -RoHS compliant.