iSight was a webcam eveloped and marketed by Apple Inc. The iSight was sold retail for US$149 as an external unit which connects to a computer via FireWire cable and comes with a set of mounts to place it atop any current Apple display, laptop computer, or all-in-one desktop computer. The term is also used to refer to the camera built into Apple's iMac, MacBook, MacBook Air and MacBook Pro computers.