1) Image sensor: 100K/300K pixel CMOS sensor 2) Internal memory: 1M x16b built-in SDRAM 3) System demand: WINDOWS 98 / 2000 / Xp /ME 4) Power supply: 1 x1.5V AAA type battery 5) Dimensions: 58.7 x 41.7 x 15mm Accessory: User's manual in English, USB cable, Installation Software Packing: blister card