Low illuminance, high image definition:1/1.8” 4Megapixel progressive scan CMOS ,0.0005 Lux@F1.0 (Color, 30IRE) Minimum Illumination Update. Smart AI: Face Detection ,Perimeter Protection ,People Counting ,Event Trigger ,General Intelligence and Heat Map Built-in IR LED :LED distance up to 40m (131.2ft) H.265 & H.264 triple-stream encoding ;25/30 fps@2688 1520, 50/60 fps@1080P (1920 1080) WDR (140 dB), Day/Night (Electronic), 3D DNR, AWB, AGC, BLC