Instant Cartridge Printer is innovative concept for the future printer. Available for any size of paper, if you only use 4x6 photo paper, use the 4x6 device, so do A4 Size Paper Device. This gadget also equipped with USB connection, so you can apply this direct from your camera or your computer. The more amazing thing you must know, this Instant Cartridge Printer use internal battery to Power On.
source : technologyinnovationsite