The SD card is a highly secure stamp sized flash memory card and weighs approximately two grams. The SD card can be used in a variety of digital products, i.e digital music players, cellular phones, handheld PCs (HPCs), digital cameras, digital video camcorders, smart phones, car navigation systems and electronic books. Fast transfer rate for reliable copy/download/backup. High storage capacity. Non-volatile solid state; no moving parts maximizes battery power. Data is not lost when power is turned off. Low battery consumption to maximize battery life in small portable devices. User selectable mechanical write-protect switch on the exterior card casing. 2GB capacity. Can read, write and erase. Operating shock rating of 2000Gs, equivalent to a 10ft drop to the floor. Stores approximately 558 images in standard resolution with a 5 million pixel camera. Manufacturer's 5 year warranty.