1) USB 1.1 interface 2) Valid pixel: 100k / 480k/1300K pixel hardware effect 3) With unique night lamp 4) No annoyance for ray 5) Video chat by internet; can be with tripod 6) Take photos, gleans images in dark or at night without open 7) System requirements: a) Windows 98 / ME / 2000 / XP i) 100MHz Pentium processor ii) 32MB memory (64 MB recommended) iii) 20MB hard disk b) 2D / 3D display card with a minimal 4M RAM supporting and 16 bit color c) 4X speed CD-ROM, a suitable USB port Inner packing:Gift box Outer packing: 40 gift boxes/ctn