Genuine 1GB Genuine Kingston SD Memory Card Join the many schools, consumers, businesses and government groups that use Kingston's standard Secure Digital cards when using SD-enabled devices. With the built-in write-protection switch to prevent accidental data loss, Kingston's legendary quality assurance and affordable price - you'll get peace of mind and the best price-to-performance value. Quickly and easily download and transfer digital files between various digital devices, a computer and the Internet. An SD memory card reader makes it easy to upload files from an SD memory card to a computer. Capacity — 1GB Dimensions — 0.94" x 1.25" x 0.08" (24mm x 32mm x 2.1mm) Operating Temperature — -13o F to 185o F (-25o C to 85 o C) Storage Temperature — -40o F to 185o F (-40o C to 85o C) Voltage — 3.3V Compliant — with the SD Card Association card specification Small — about the size of a postage stamp (24mm x 32mm x 2.1mm) Secure — built-in write-protect switch prevents accidental data loss Simple — as easy as plug-and-play Economical — low power consumption is easy on device's batteries