I will be traveling soon and am expecting to take more photos than will fit on my SD cards. I'll have my work laptop with me but wanted a backup for my photos while traveling. I'd looked at bigger (4GB) SD cards but came across this. It was $70 after rebates so I jumped on it. Here's the manufacturer's page.
The pictures on these pages don't do the drive justice. Here's the one I took.
Here're the specifications from the back of the package.