4-inch 4 MP 25X Powered by DarkFighter IR Network Speed Dome 1/2.8″ Progressive Scan CMOS High quality imaging with 4 MP resolution Excellent low-light performance with powered-by-DarkFighter technology 25× optical zoom, 16× digital zoom WDR, HLC, BLC, 3D DNR, Defog, Regional Exposure, Regional Focus Up to 100 m IR distance Accurate human and vehicle target classification and alarm based on deep learning algorithm Face capture: Up to 5 faces captured at the same time