Supertron Electronics Ltd. Manufactures Web Camera with 1.1 USB Interface. Supertron Electronics Ltd. Is an ISO 9001:2000 certified company. Web cams are video capturing devices that are connected to computers or computer networks, often using USB, Ethernet or Wi-Fi. The focus range of Web Camera with 1.1 USB Interface is 30mm to infinity. Its CMOS image sensor for 100 K is &frac17;inch, for 300K it is ¼inch and for 480K, it is ¼inch. The resolution for 100K is QVGA [352x288], for 300K, it is QVGA [352x288] and for 480K, it is VGA [600x480]. Web Camera with 1.1 USB Interface includes high quality lens for sharp pictures, adjustable focus and aperture and gamma adjustment.