DH-IPC-HFW2531TP-ZS-27135-S2

"2MP, 1/2.8” CMOS image sensor, low illuminance, high image definition Outputs max. 2MP (1920 × 1080) @30 fps H.265 codec, high compression rate, ultra-low bit rate Built-in IR LED, max. IR distance: 30 m ROI, SMART H.264+/H.265+，AI H.264/H.265,"

"2-MP 1/1.8"" CMOS image sensor, low luminance, and high definition image. Outputs max. 2 MP (1980 × 1080)@20 fps. H.265 codec, high compression rate, ultra-low bit rate. Built-in IR LED, and the max. illumination distance is 40 m."

"Dual AI sensors with multi-spectral imaging technology that produces colorful images in low illumination conditions. Outputs max. 4 MP (2688 × 1520)@25/30 fps. Built-in white light/IR LED, with a maximum illumination distance of 50 m. ROI, SMART H.264+/H.265+, AI H.264/H.265,"

"4-MP 1/3"" CMOS image sensor, low luminance, and high definition image. Outputs max. 4 MP (2688 × 1520)@25/30 fps. H.265 codec, high compression rate, ultra-low bit rate. Built-in IR LED, and the max. illumination distance is 60 m."