Designed for use in any SDHC slot equipped device including digital cameras, HD camcorders, notebook/netbook PCs and more. High-performance cards offer smooth video capture/playback and fast photo capture and file transfers to/from your PC. Write protect switch prevents accidental data deletion. Class 6 speed SDHC, host device required (not included). Storage Capacity: 4 GB; For Use With: SDHC Electronic Devices; Memory Card Type: SDHC.