Resolution 4.MP,  1/2.7", CMOS Lens 4.0mm@F1.6,Fixed IR Smart IR, IR Range: 50m Video Compression S+265/H.265/H.264B/H.264M/H.264H Frame Rate 2560×1440@25fps protection IP67 Storage Micro SD, up to 512 GB Audio Built-in Mic

Resolution 4.0 megapixel, 1/2.2, CMOS Lens 2.8mm@F1.6,Fixed IR Up to 30m Video Compression S+265/H.265/H.264 protection IP67 Frame Rate Up to 2560×1440@25fps Audio Built-in Mic

Resolution 4MP 1/2.9"CMOS Lens 2.8-12mm, F1.6,Fixed IR Smart IR, IR Range: 80m Video Compression S+265/H.265/H.264B/H.264M/H.264H Frame Rate 2688x1520@25fps protection IP67 Storage Micro SD, up to 512 GB Audio Built-in Mic