Model: C091 (trip is optional) 350k pixel (New generation of Vimicro CMOS sensor)/ 100k pixel (New generation Sunplus 561 chip) Output connection: USB 1.1 Colour:24 bit true color Application: video conference ,digital picture and video chat Lens: Japanese 5-element glass lens with high definition(only for 350k pixel) imported plastic lens (only for 100k pixel) Night viewing function is available (6pcs LED lights)