Here you can see 11 pcs different product.
They all are from different producer. They all use different video resolution, different video format, different fps, different time settings, etc.
All is different, but for customer look all look same same.
Producer 1
Producer 2
Producer 3
Producer 4
Producer 5
Producer 6
Producer 7
Producer 8
Producer 9
Producer 10
Producer 11
and so on continue producers 12 up to 40.