Usb Security Camera

Is there a security camera USB can be connected to a computera I just need a good market in the use of tracing my grandmother since she is almost 100 and can not do anything for herself more.

You can buy a security camera at a low price from Amazon.com here http://www.amazon.com/gp/redirect.htmlai ...

www.techcctv.com go or give them a call, they helped me with my security system

It will cost no more than Rs750 / -. USB cameras available on www.ebay.in