1) USB 1.1 interface 2) Valid pixel: 100k pixel hardware effect 3) No annoyance for ray 4) Video chat by internet; can be with tripod 5) Take photos, gleans images in dark or at night without open 6) System requirements: a) Windows 98 / ME / 2000 / XP Product Name: PC camera 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