Primary Function: 8GB SD memory card for portable electronic devices SD card information: - Read speed: 5 MB/s - Write speed: 2.5 MB/s Dimensions: 32mm x 24mm x 2mm (L x W x H) Product Notes: 8 GB capacity SD removable memory card for enhancing your mobile life Once you install this in your digital camera or similar device, you will generally want to format the card with your device's interface. That is because the standard format for certain digital camera brands, particularly Canon, can differ from other devices. Formatting for your brand portable digital electronics product ensures memory integrity and maximum speed performance. Side lock/unlock switch Package Contents: 8GB SD card