zone_alarm/config/fences.json

{
    "channels": [
        {
            "fences": [],
            "height": 1440,
            "id": 0,
            "width": 2560
        },
        {
            "fences": [],
            "height": 1440,
            "id": 1,
            "width": 2560
        },
        {
            "fences": [],
            "height": 360,
            "id": 2,
            "width": 640
        },
        {
            "fences": [],
            "height": 480,
            "id": 3,
            "width": 640
        }
    ]
}