Digital pictures can be printed on paper with a photo printer. Delay between shots is the amount of time in seconds before you are able to take another shot. Lower times are important when you need to take many shots in succession. Two storage options are built-in memory and removable storage. When using a camera with built-in memory, once the camera is full you have to download images to a computer.
Infrared transmission is usually much slower.
Removable storage choices are CompactFlash cards, SmartMedia cards, floppy disks, memory sticks, CD-Rs, PC cards, and IBM Microdrive disks. Most digital cameras come with built-in flash. Automatic senses when to flash according to lighting conditions. Digital cameras require rather frequent battery replacement. Some digital cameras use rechargeable battery pack or even come with an AC adapter.