(e.g., a dashcam, MP4 player, or security camera)
(In which case "10172.mp4" might be a video file) 10172mp4
(e.g., a component from a specific brand like Sony, Samsung, or a generic manufacturer) a private model code
It is possible this is a specific , a private model code , or a typo . To provide the correct features, could you clarify what this item is? For example: 10172mp4