This video switcher has the facility to connect up to eight video cameras with microphones The unit will automatically sequence from one to the next. Every camera position has an LED to indicate to the operator which image is on the monitor. The user can select a dwell time of between 1 and 15sec. between each camera image. Unused channels can be bypassed without changing the sequence or the dwell time The automatic sequence can be interrupted or bypassed at any time by the manual selection of one particular camera. Suitable power supply 460-140 is also available.