Pathfinder is a fully-automatic 4 Channel Video Motion Detector. it is insensitive to environmenatal changes, and is true plug''n play with no swt-up ir adjustment required. Has an integrated 4:1 video switcher. Blank screen option and allows for Zone masking. 4 Alarm relay outputs. Provides alarms to alert guards, start recording or to switch video displays. Can be used with PTZ cameras as it ignores the camera movement.